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0);white-space:nowrap;border-width:0;display:none;"></div></li><li class="hds-nav-has-submenu usa-nav__primary-item"><a href="https://plus.nasa.gov/" rel="noopener noreferrer" class="NasaLiveIndicator button hds-nav__link-nasa-live usa-nav__link-nasa-live usa-nav__link heading-16 color-spacesuit-white display-flex desktop:flex-row flex-align-center"><span>NASA+</span></a></li></ul></div></nav></div></header><div hidden style="position:fixed;top:1;left:1;width:1;height:0;padding:0;margin:-1;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;display:none;"></div></div><div><main id="primary" class="site-main"><article id="post-4223" class="TemplateGallery"><section class="p-0"><div class="hds-topic-gallery padding-y-6 padding-x-3"><div class="grid-container-xl grid-row margin-bottom-3 desktop:margin-bottom-6"><div class="grid-col-12 desktop:grid-col-8 padding-bottom-2 desktop:padding-bottom-4"><h1 class="heading-22">James Webb Space Telescope – Engineering images</h1></div></div><div class="hds-gallery-navbar border-color-carbon-05 grid-container-xl grid-row margin-bottom-3"></div><div class="grid-row grid-container-xl"><div class="hds-gallery-items"><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>View of a portion of the James Webb Space Telescope backplane component that will hold the primary mirror segments.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=4096&format=webp 4096w"><img width="300" height="169" alt="View of a portion of the James Webb Space Telescope backplane component that will hold the primary mirror segments. Eight sections that will hold mirror segments are in full or partial view." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/09/yt-qgb45o8i1s.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Simulated view of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=4096&format=webp 4096w"><img width="89" height="300" alt="Simulated view of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone of an Ariane 5 rocket." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Cryocooler Electronics during testing.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=4096&format=webp 4096w"><img width="225" height="300" alt="Cryocooler Electronics" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Cryocooler Compressor Assembly. This photo shows the flight cryocooler installed "upside-down" in a vacuum chamber for testing, before the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=4096&format=webp 4096w"><img width="225" height="300" alt="Cryocooler Compressor Assembly" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The cooling device for the Mid-Infrared Instrument, or MIRI, one of the James Webb Space Telescope's four instruments. The MIRI...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="Webb's Cryocooler" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The MIRI instrument. MIRI's operates at temperatures of no more than 6.7 degrees above absolute zero, or minus 448 degrees...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=4096&format=webp 4096w"><img width="300" height="220" alt="NASA's MIRI Instrument Gets Clean Bill of Health" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This image shows an engineer in a cleanroom looking at one of the sunshield layers that shows a grid pattern...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="A layer of the James Webb Space Telescope's flight sunshield" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On orbit, the observatory is pointed so that the sun, Earth and moon are always on one side, with the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=4096&format=webp 4096w"><img width="300" height="153" alt="The James Webb Space Telescope's Sunshield" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The sunshield's membrane layers, each as thin as a human hair, are made of Kapton, a tough, high-performance plastic coated...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="The James Webb Space Telescope's Sunshield Membrane" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The SIDECAR(TM), or System Image, Digitizing, Enhancing, Controlling and Retrieving ASIC performs high-fidelity A-to-D signal conversion at cryogenic temperatures.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=4096&format=webp 4096w"><img width="239" height="183" alt="Cryo ASIC, by Rockwell" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers inspect NASA's James Webb Space Telescope as it sits inside Chamber A at NASA's Johnson Space Center in Houston....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb after cryogenic testing at JSC" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A screenshot from the James Webb Space Telescope "Webbcam" showing the test chamber that Webb telescope had been sealed within,...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=4096&format=webp 4096w"><img width="300" height="172" alt="Webb during cryogenic testing at JSC with approximated chamber temperature indicated at -423.670 degrees F or 20 degrees Kelvin" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A crane lifts the flight instruments of the James Webb Space Telescope from the Goddard thermal vacuum chamber where it...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=4096&format=webp 4096w"><img width="300" height="193" alt="ISIM in Thermal Vac at GSFC" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=4096&format=webp 4096w"><img width="300" height="134" alt="Webb Instruments and their detectors" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This figure shows four 0.6 - 2.5 μm James Webb Space Telescope NIRCam H2RGs mounted into a focal plane module....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=4096&format=webp 4096w"><img width="300" height="281" alt="James Webb Space Telescope NIRCam H2RGs" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A James Webb Space Telescope Near Infrared Camera (NIRCam) detector with optical baffles removed. Light is collected in the purple...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Near Infrared Camera (NIRCam) detector" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope uses infrared detector hybrids. The pixelated absorber layer (HgCdTe or Si:As) absorbs the light and...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=4096&format=webp 4096w"><img width="300" height="247" alt="infrared detector hybrids" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This MIRI detector (green) is housed in a brick-like unit called a focal plane module. It has a 1024x1024 pixel...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="This MIRI detector" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Another view of the 1/6th scale model of the JWST mirror in optics testbed.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=4096&format=webp 4096w"><img width="196" height="300" alt="wavefront sensing and control testbed" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Alternative view of the 1/6th scale model of the JWST mirror in optics testbed.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=4096&format=webp 4096w"><img width="300" height="214" alt="Webb Optics Testbed" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Fully functional, 1/6th scale model of the JWST mirror in its optics testbed used to develop wavefront sensing and control.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=4096&format=webp 4096w"><img width="195" height="300" alt="Webb Optics Testbed 2" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This abstract image was a preview of the instrumental power that was unleashed now that the James Webb Space Telescope...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=4096&format=webp 4096w"><img width="300" height="161" alt="microshutter testing image" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>One of the four array quadrants of the microshutter device is about the size of a postage stamp. Each quadrant...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=4096&format=webp 4096w"><img width="300" height="196" alt="entire microshutter device" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>An array of microshutters on the James Webb Space Telescope's NIRSpec instrument.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=4096&format=webp 4096w"><img width="300" height="268" alt="An array of microshutters." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The entire microshutter device consists of approximately 250,000 individual windows with shutters arrayed in a waffle-like grid.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=4096&format=webp 4096w"><img width="300" height="176" alt="entire microshutter device" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A technician aligns a Focal Plane Assembly, part of the NIRCam instrument.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=4096&format=webp 4096w"><img width="300" height="200" alt="A technician in a cleanroom suit inspects parts to an instrument through a 3D microscope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Credit: NASA Goddard/Chris Gunn</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=4096&format=webp 4096w"><img width="300" height="220" alt="gold-hued hexagonal primary mirror of Webb telescope, photographed inside a clean room" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=4096&format=webp 4096w"><img width="300" height="220" alt="Webb’s giant golden mirror stands tall. Light reflects off the 18 gold-coated mirror segments in a clean room. Its secondary mirror support structure is folded upwards. Its folded sunshield is just visible at lower left." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Following a successful deployment test of NASA Webb’s mission-critical secondary mirror, technicians and engineers visually inspect the support structure that...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=4096&format=webp 4096w"><img width="300" height="92" alt="Technicians and engineers visually inspect the support structure of the James Webb Space Telescope that holds it in place." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Ball Aerospace lead optical test engineer Dave Chaney inspects six primary mirror segments, critical elements of the James Webb Space Telescope, prior to cryogenic testing in the X-ray &amp; Cryogenic Facility at Marshall Space Flight Center" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=4096&format=webp 4096w"><img width="300" height="229" alt="The James Webb Space Telescope being worked on at NASA" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=4096&format=webp 4096w"><img width="300" height="196" alt="NASA technicians lift the James Webb Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=4096&format=webp 4096w"><img width="300" height="193" alt loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=4096&format=webp 4096w"><img width="300" height="193" alt loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=4096&format=webp 4096w"><img width="240" height="300" alt="This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period (late spring to early summer), the telescope was having its sunshield packed up and prepped for launch, and the final test fold of the mirror wings was also taking place." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Approximate temperatures of the two sides of Webb Telescope: the sun facing hot side ( 185°F / 85°C ) and...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=4096&format=webp 4096w"><img width="176" height="300" alt="Infographic showning Webb in profile with light from the sun hitting the the sun facing hot side of the sunshield ( 185 F / 85 C ) and the deep space facing cold side of the sunshield and telescope ( -388F / -233C ) as well as showing the 5 layer sunshield radiating heat out of each layer." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed by engineers and technicians at Northrop Grumman." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=4096&format=webp 4096w"><img width="300" height="105" alt="This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to the same position that they will have while orbiting the Sun a million miles away from Earth." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>In this photo from August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=4096&format=webp 4096w"><img width="300" height="211" alt="In this photo from August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it underwent this fall. This testing, designed to mimic the sound and vibration the telescope will experience during launch, was successfully completed in early October 2020. Here the sunshield is carefully folded in preparation for stowing the telescope into its launch configuration." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period (late spring to early summer), the telescope was having its sunshield packed up and prepped for launch, and the final test fold of the mirror wings was also taking place." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>In this archival image from January 2021, technicians and engineers work on the James Webb Space Telescope, preparing its sunshield...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="In this archival image from January 2021, technicians and engineers work on the James Webb Space Telescope, preparing its sunshield to be folded. The sunshield fold was accomplished in April 2021. Read all about this milestone:" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=4096&format=webp 4096w"><img width="200" height="300" alt="This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed by engineers and technicians at Northrop Grumman." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=4096&format=webp 4096w"><img width="300" height="204" alt="This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to the same position that they will have while orbiting the Sun a million miles away from Earth." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it underwent this Fall. This...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb in the clean room an Northrup Grumman for final integration and test. with the 5 sunshield layers laid flat on a supporting structure" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Webb's sunshield folded into the pallets that hold it for launch and deployment.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb in the Northrup Grumman clean room for final integration and test before launch. Shown here with the primary mirror wings deployed and the sunshield folded within the forward pallet." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The image is from April 2020. Webb in the Northrup Grumman clean room for final integration and test before launch....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb in the Northrup Grumman clean room for final integration and test before launch. Technicials are preparing the sunshield and sunshield covers into their folded launch configuration" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Webb in the Northrup Grumman clean room for final integration and test before launch. Technicians preparing the sunshield for folding...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb in the Northrup Grumman clean room for final integration and test before launch. Technicians preparing the sunshield for folding after a successful deployment test." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=4096&format=webp 4096w"><img width="200" height="300" alt="This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed by engineers and technicians at Northrop Grumman." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Arianespace's Ariane 5 rocket launches with NASA’s James Webb Space Telescope onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=4096&format=webp 4096w"><img width="300" height="141" alt="Webb launches on a cloudy day from an Arianne 5 rocket. The image shows the rocket just lifting off the pad with a plume of orange fire and a plume grey blue smoke extending well to the right against a slate blue sky." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The FGS/NIRISS at NASA Goddard before integration into the instrument module.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Webb Telescope's Fine Guidance Sensor Gets Lots of Guidance" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Montage of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone of...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=4096&format=webp 4096w"><img width="255" height="300" alt="Montage of Webb (JWST) in it's folded and stowed launch configuration inside the nose cone of an Ariane 5 rocket." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Webb's sunshield is positioned between the Sun/Earth/Moon and the telescope. Webb's orbit at L2.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Diagram (not to scale) of Lagrange points L1, L2, L3, L4, and L5 relative to the sun and the earth. An illustration of JWST is shown orbiting the L2 Lagrange point." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The sunshield protects the telescope from external sources of light and heat (like the Sun, Earth, and Moon).</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=4096&format=webp 4096w"><img width="300" height="209" alt="An illustration of the James Webb Space Telescope with the following items labelled and identified: the Optical Telescope Element (OTE) Primary Mirror, OTE Secondary Mirror, the Backplane, ISIM (Integrated Science Instrument Module), the Sunshield, the Spacecraft Bus, and the Startrackers." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Brush Wellman team and the mirror blanks.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=4096&format=webp 4096w"><img width="300" height="197" alt="An image of the Mirror Segments and its Brush Wellman team" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On May 19, 2016, inside a massive clean room at NASA's Goddard Space Flight Center, Webb’s Integrated Science Instrument Module...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=4096&format=webp 4096w"><img width="224" height="300" alt="Webb’s instrument module is integrated onto the back of the telescope, right behind the mirrors. The telescope is facedown on a white stand, with the golden mirrors facing down. The secondary mirror support structure is folded over the mirrors, with the round back of the secondary mirrors facing the camera. Behind it is a black radiator panel. The instrument module is being lowered by a crane. The 4 science instruments are visible through the module structure. In the background is a wall of HEPA filters that help keep the NASA Goddard cleanroom clean." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On Nov. 6, 2012, engineers and technicians inspected one of the first of Webb’s 18 hexagonal mirrors to arrive at...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=4096&format=webp 4096w"><img width="300" height="205" alt="A diverse group of people in white cleanroom suits carefully inspect a single golden faced, hexagonal mirror from the James Webb Space Telescope. Many faces all stare intently, some using flashlights, to examine the mirror surface. Reflected on the surface is the face and intense eye contact from one engineer, and the bright reflection of his flashlight shining directly at the viewer. Behind this engineer, a stainless-steel lens cap used to safely transport the mirror, nearly the size of a human body, rests on scaffolding, still attached by ropes to the crane that lifted it off the mirror moments before. In the background, gray and light blue walls lay behind several other components of Webb scattered around the cleanroom floor. To the right of the frame, a structure made of long overlapping black struts that appear like scaffolding sits on top of a lift table that is meant to safely move the structure up and down." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Inside a clean room at NASA’s Goddard Space Flight Center, on the afternoon of April 25, 2016, the James Webb...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=4096&format=webp 4096w"><img width="300" height="196" alt="The covers being removed from the hexagonal gold mirrors of the James Webb Space Telescope. Two people in cleanroom “bunny” suits lay on diving boards over the mirror, which lays face pointed up, very carefully removing the covers one at a time. In this photo 6 covers have been removed, revealing the golden mirrors beneath. These are the 4 center line mirrors and two in the 4 and 5 o’clock positions. The two workers each hold part of another cover as they remove it. The worker on the right is reflected in the mirrors. Each of the black covers has a white sign on it noting which mirror segment it is. Each segment has a unique designation including A, B, or C and 1, 2, 3, 4, 5, or 6 depending on its prescription and location." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope is shown with one of its two “wings” folded. Each wing holds three of its...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=4096&format=webp 4096w"><img width="200" height="300" alt="The James Webb Space Telescope mirrors upright on a white stand in the NASA Goddard cleanroom. The 3 mirrors on the right “wing” are folding back like a leaf on a drop-leaf table. The telescope has 18 golden hexagonal segments. The secondary mirror support structure, made of three thin black lines, is folded and the secondary mirror sits atop this folded tripod. There are 5 people in white cleanroom suits supervising the folding maneuver. One of them is on a red lift at the back right. There is a wall of HEPA filters behind the telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Dressed in a clean room suit, NASA photographer Desiree Stover shines a light on the Space Environment Simulator's integration frame...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="The silvery James Webb Space Telescope instrument module is enclosed in a metallic gold-colored structure. NASA photographer Desiree Stover stands to the left, holding some equipment and facing the hardware. She is wearing a white cleanroom suit. She and the hardware are inside a round, black chamber, which is inside Goddard’s large thermal vacuum chamber where the instrument is tested at its extremely cold operating temperatures." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On May 19, 2016, inside a massive clean room at NASA's Goddard Space Flight Center, Webb’s Integrated Science Instrument Module...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=4096&format=webp 4096w"><img width="224" height="300" alt="Webb’s instrument module is integrated onto the back of the telescope, right behind the mirrors. The telescope is facedown on a white stand, with the golden mirrors facing down. The secondary mirror support structure is folded over the mirrors, with the round back of the secondary mirrors facing the camera. Behind it is a black radiator panel. The instrument module is being lowered by a crane. The 4 science instruments are visible through the module structure. In the background is a wall of HEPA filters that help keep the NASA Goddard cleanroom clean." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Taken on Nov. 16, 2016, inside NASA Goddard’s largest clean room Webb’s Optical Telescope Element and Integrated Science Instrument Module...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="The Webb telescope mirrors are shown in the NASA Goddard cleanroom, with a clean tent, which looks like a giant rectangle made of clear plastic tarp, half over the mirrors. A crane is lowering it down. The mirrors are gold hexagons. The three on each side wing are folded back like a drop leaf table. The telescope is being prepped for vibration testing. For testing, it has to be removed from the cleanroom, so the tent will protect it while it is being tested. There are multiple people in white cleanroom suits that cover them from head to toe and protect the cleanroom from hair and skin cells and contaminants on clothes. Two of the people are on a blue lift to the right of the telescope, and one on a red and silver left to the left, inspecting the work. There is a yellow ladder at far left. There are various white support structures. The wall at far right is covered in HEPA filters. The very large cleanroom door is directly behind the telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On June 20, 2017, Webb’s Optical Telescope Element and science instruments were loaded into the historic thermal vacuum testing facility...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=4096&format=webp 4096w"><img width="240" height="300" alt="The Webb telescope enters the giant Chamber A thermal vacuum chamber at NASA Johnson. At this point, Webb consists of mirrors and instruments but has not yet been mated with the sunshield or spacecraft bus. Webb is on its back, golden hexagonal mirrors face up. The secondary mirror support structure is extended like a tripod above the primary mirrors. The telescope lies on black and silver support equipment. It is half in the giant mouth of the cavernous test chamber. The chamber is filled with test equipment and people in cleanroom suits. One of them stands on top of a red ladder." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On Sept. 16, 2021, Webb was ready to be shipped to the launch site in French Guiana. Before Webb could...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=4096&format=webp 4096w"><img width="300" height="240" alt="Several cleanroom technicians stand and watch as the Webb telescope, in its folded configuration, is being lifted and horizontally tilted towards the right side. When folded, Webb’s purple, metallic pallets surround its hexagonal, gold-coated mirror segments, making a long rectangle shape. The technicians wear blue gloves and white contamination-control suits that have the blue Northrop Grumman logo on the back. This image was taken in the Northrop Grumman cleanroom, which features a blue line running across its bright white walls." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This never-before-seen image shows engineers and technicians disassembling ground hardware after completing one of the final lifts of the Webb...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="Image taken in a cleanroom at Europe’s Spaceport in Kourou, French Guiana. Dozens of cleanroom technicians, wearing white contamination-control suits and blue gloves, stand towards the left side of this image. On the right side is the Webb telescope in its folded configuration. Its purple sunshield pallets enclose its hexagonal, gold-colored mirror segments. Other hardware, wires, and equipment are located around the cleanroom, which features bright white walls." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>“Liftoff – from a tropical rainforest to the edge of time itself, James Webb begins a voyage back to the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=4096&format=webp 4096w"><img width="240" height="300" alt="Webb’s Ariane 5 rocket launches from Europe’s Spaceport in Kourou, French Guiana. A glowing, white-yellow stream of gas and fire is streaming from the rocket towards the ground below. The ground is covered with puffy clouds of pink-orange gas. In the background, lit up by the launch, is a building that is emblazoned with dark blue European Space Agency (ESA) and Ariane logos. The sky is a dark blue-gray and largely cloudy." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>FGS/NIRISS was built by the Canadian Space Agency.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=4096&format=webp 4096w"><img width="300" height="244" alt="FGS engineering diagram"" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NIRSpec Engineering Diagram</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=4096&format=webp 4096w"><img width="300" height="236" alt="NIRSpec Engineering Diagram" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>James Webb Space Telescope NIRSpec Upgrades Complete!</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="From left to right: Ralf Ehrenwinkler (Airbus DS), Frank Merkle (Airbus DS), Kai Hoffmann (Airbus DS), Robert Eder (Airbus DS), Max Speckmaier (Airbus DS) and Maurice te Plate (ESA)" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NIRSpec's microshutter cells, each approximately as wide as a human hair, have lids that open and close when a magnetic...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=4096&format=webp 4096w"><img width="216" height="127" alt="Closeup of microshutter array" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>MIRI Engineering Diagram</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=4096&format=webp 4096w"><img width="300" height="286" alt="MIRI Engineering Diagram" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>JWST Team Photo with Completed Flight Instrument module</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="JWST Team Photo with Completed Flight Instrument module"" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Installation of MIRI into the instrument module.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=4096&format=webp 4096w"><img width="300" height="188" alt="Key Science Instrument Installed into Webb Structure." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NIRCam Engineering Diagram</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=4096&format=webp 4096w"><img width="300" height="272" alt="An image of the NIRCam Engineering Diagram" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Group photo of JWST project members with the complete Integrated Science Instrument Module.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="JWST Team Photo with Completed Flight Instrument module" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The flight Near-Infrared Camera was installed into the flight Integrated Science Instrument Module (ISIM) for the James Webb Space Telescope.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="NIRCam being installed into the instrument module." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The NIRCAM operates over a wavelength range of 0.6 to 5 microns.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=4096&format=webp 4096w"><img width="300" height="178" alt="An image of Webb's iInstrument infrared sensitivity wavelength ranges." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This image shows what the The OTE Consists Of.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=4096&format=webp 4096w"><img width="300" height="212" alt="OTE engineering diagram" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The OTIS (OTE+ISIM) out of cryovac chamber at NASA Johnson. The OTIS is an acronym that includes the OTE plus...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="The OTIS out of cryovac chamber at NASA Johnson." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineering Diagram 4 Spacecraft bus"</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=4096&format=webp 4096w"><img width="300" height="124" alt="Engineering Diagram 4 of the Spacecraft bus"" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineering Diagram 3 Spacecraft bus</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=4096&format=webp 4096w"><img width="300" height="264" alt="Engineering Diagram 3 of the Spacecraft bus" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineering Diagram 2 Spacecraft bus</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=4096&format=webp 4096w"><img width="300" height="156" alt="Engineering Diagram 2 of the Spacecraft bus" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineering Diagram 1 Spacecraft bus</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=4096&format=webp 4096w"><img width="300" height="206" alt="Engineering Diagram 1 of the Spacecraft bus" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>At Northrop Grumman Aerospace Systems facilities in Redondo Beach, Calif., integration and test technicians work on a mock-up of the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="Test technicians work on a mock-up of the James Webb Space Telescope spacecraft bus" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This x-ray diagram of NASA’s James Webb Space Telescope shows where the backplane support frame (BSF) is in relation to...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=4096&format=webp 4096w"><img width="300" height="250" alt="Diagram showing the Backplane Support Fixture (BSF)" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Deployable Tower Array at the base of the telescope structure</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=4096&format=webp 4096w"><img width="199" height="300" alt="The Deployable Tower Assembly" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The first mirror is installed on the flight telescope structure</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=4096&format=webp 4096w"><img width="199" height="300" alt="NASA’s Webb Space Telescope Receives First Mirror Installation" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Inside NASA's Goddard Space Flight Center's giant clean room in Greenbelt, Md., JWST Optical Engineer Larkin Carey examines two test...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Engineer Larkin Carey examines two test mirror segments" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Pathfinder about to be moved into Chamber A for cryo tests.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=4096&format=webp 4096w"><img width="233" height="300" alt="JWST Pathfinder in front of Chamber A" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The completed primary mirror on the flight telescope structure at NASA Goddard Space Flight Center. The black covers on the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=4096&format=webp 4096w"><img width="200" height="300" alt="NASA's James Webb Space Telescope Primary Mirror Fully Assembled" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA's James Webb Space Telescope, or Webb, emerged from Chamber A at NASA's Johnson Space Center in Houston on Dec....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=4096&format=webp 4096w"><img width="300" height="202" alt="NASA's James Webb Space Telescope combined science instruments and optical element" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Technicians complete the primary mirror backplane support structure wing assemblies for NASA's James Webb Space Telescope at ATK's Space Components...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="The James Webb Space Telescope gets its wings" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers at ATK work on the now-completed center section of the "backplane" support structure that will hold Webb's mirror segments</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="James Webb Space Telescope Flight Backplane Structure" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Images from our exciting week in August - opening the shipping crate containing the James Webb Space Telescope's flight backplane,...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="James Webb Space Telescope Telescope Structure Arrival" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The flight structure of NASA's James Webb Space Telescope was standing tall on a platform in the cleanroom at NASA's...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=4096&format=webp 4096w"><img width="216" height="300" alt="NASA's James Webb Space Telescope Structure Stands Tall" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><a href="/image-detail/isim-overview/" class="link-external-false hds-gallery-item-link hds-gallery-image-link" aria-label="Gallery item"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>ISIM's three regions.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="ISIM Components within the Observatory" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=4096&format=jpeg 4096w"></picture></div></a></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The back view of James Webb Telescope</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=4096&format=webp 4096w"><img width="300" height="228" alt="JWST Back view" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A rare view of the instruments being lowered into the Webb telescope at NASA/Goddard. Webb's science instruments were installed in...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=4096&format=webp 4096w"><img width="224" height="300" alt="ISIM being installed on webb" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A piece of Kapton showing ripstop seaming.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=4096&format=webp 4096w"><img width="300" height="206" alt="Kapton for the Sunshield" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Sunshield on NASA's James Webb Space Telescope is the largest part of the observatory—five layers of thin membrane that...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="NASA's Webb Sunshield Stacks Up to Test!" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The layers work together to reduce the temperatures between the hot and cold sides of the observatory by approximately 570...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Final Sunshield Layer Completed for NASA’s James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Diagram of Cross-Section of Webb's Five-Layer Sunshield.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=4096&format=webp 4096w"><img width="300" height="277" alt="Graphic titled "Cross-Section of Webb's Five-Layer Sunshield" that demonstrates how the layers block the heat of the sun from getting through to the cold side of the telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Stretched out like a silver kite, the five-layer sunshield for NASA’s James Webb Space Telescope sits in a cleanroom at...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="The Flight Sunshield at Northrop Grumman" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A team of engineers and technicians from NASA and Ball Aerospace & Technologies Corp. of Boulder, Colo., prepare to load...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="A team of engineers and technicians put Webb telescope though Mirror Segment Cryogenic Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers from Ball Aerospace inspect the first James Webb Space Telescope mirror segment upon its arrival at Marshall Space Flight...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="Primary Mirror Segment Cryogenic Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><a href="/image-detail/5890960025-42fefef802-b/" class="link-external-false hds-gallery-item-link hds-gallery-image-link" aria-label="Gallery item"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope's Mirrors</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=4096&format=webp 4096w"><img width="300" height="191" alt="This image shows the four different types of mirrors on the Webb telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=4096&format=jpeg 4096w"></picture></div></a></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The engineering design unit primary mirror segment (flight spare) coated in gold by Quantum Coating Incorporated.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Jame Webb's Gold-coated primary mirror EDU" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>An engineer stands in front of the gold-coated primary mirror EDU</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="An engineer stands in front of the gold-coated primary mirror EDU" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The secondary mirror went through a similar process - here it is after being gold-coated by Quantum Coating Incorporated.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Gold-coated primary mirror EDU" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Technicians and scientists check out one of the Webb telescope's first two flight mirrors in the clean room at NASA's...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="Technicians and scientists are part of the Flight Mirror Segment Inspection" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Four of the finished mirrors that will fly aboard NASA's James Webb Space Telescope arrived at NASA's Goddard Space Flight...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=4096&format=webp 4096w"><img width="300" height="199" alt="Webb Telescope Mirror Canisters" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers and technicians moved the James Webb Space Telescope structure inside the clean room at NASA's Goddard Space Flight Center...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=4096&format=webp 4096w"><img width="200" height="300" alt="Lifting the James Webb Space Telescope inside cleanroom" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Inside the massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope's telescope...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="226" alt="James Webb Space Telescope Structure Poised for Mirror Assembly" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Inside a massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="The last James Webb Space Telescope Primary Mirror Segment" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The gold-covered primary mirrors of the James Webb Space Telescope, revealed in the cleanroom at NASA Goddard.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=4096&format=webp 4096w"><img width="209" height="300" alt="An image "Goldeneye" view of James Webb Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Here's a view from overhead of the golden James Webb Space Telescope, with its secondary mirror booms stowed. This is...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=4096&format=webp 4096w"><img width="300" height="262" alt="An overhead image of the golden James Webb Space Telescope, with its secondary mirror booms stowed" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>James Webb Space Telescope Mirror Seen in Full Bloom</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="196" alt="NASA technicians lifted the telescope using a crane and moved it inside a clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope sits inside Chamber A at NASA’s Johnson Space Center in Houston after having completed its...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=4096&format=webp 4096w"><img width="300" height="213" alt="Webb sitting inside Chamber A after it completed cryogenic testing." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Primary Mirror Segment Engineering Design Unit</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=4096&format=webp 4096w"><img width="240" height="300" alt="Polished engineering design unit mirror at SSG/Tinsley." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A James Webb Space Telescope primary mirror segment blank. This image shows the back of the mirror blank, which is...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=4096&format=webp 4096w"><img width="300" height="226" alt="Primary Mirror Segment Blank" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The front of an unpolished mirror blank.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=4096&format=webp 4096w"><img width="300" height="226" alt="An image of James Webb's Mirror Blank" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The Brush Wellman team and the mirror blanks.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=4096&format=webp 4096w"><img width="300" height="120" alt="An image of the Mirror Segments and its Brush Wellman team" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A marble-sized piece of Beryllium.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=4096&format=webp 4096w"><img width="288" height="282" alt="An image of a piece of beryllium that is the size of a marble" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>These diagrams show the back of the mirrors and the actuators.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=4096&format=webp 4096w"><img width="300" height="214" alt="The Anatomy of a JWST Mirror" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Diagram of the anatomy of a James Webb Space Telescope Mirror.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=4096&format=webp 4096w"><img width="232" height="300" alt="An image of the the back of a JWST mirror" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Each of Webb's mirrors has an individual designation. A, B, or C denotes which of the three mirror prescriptions a...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=4096&format=webp 4096w"><img width="300" height="225" alt="The photos show the flight version of every mirror on the telescope! mirrors" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The different colors denote one of three different optical prescriptions for Webb's mirror.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=4096&format=webp 4096w"><img width="300" height="245" alt="JWST mirror assembly segment" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope is shown with one of its two "wings" folded. Each wing holds three of its...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=4096&format=webp 4096w"><img width="213" height="300" alt="webb's primary mirror with one wing folded back." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><a href="/image-detail/webb-jwst-hstprimarymirrors/" class="link-external-false hds-gallery-item-link hds-gallery-image-link" aria-label="Gallery item"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>JWST Primary mirror compared to Hubble Primary Mirror</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=4096&format=webp 4096w"><img width="300" height="203" alt="JWST and Hubble mirror comparison" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=4096&format=jpeg 4096w"></picture></div></a></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers Matt Macias and Eve Woolridge take a close look at the James Webb Space Telescope's primary mirror at NASA...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=4096&format=webp 4096w"><img width="300" height="200" alt="A image of James Webb Space Telescope's primary mirror at NASA Goddard." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=4096&format=jpeg" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=320&format=jpeg 320w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=640&format=jpeg 640w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=768&format=jpeg 768w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1024&format=jpeg 1024w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1280&format=jpeg 1280w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=1536&format=jpeg 1536w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=2048&format=jpeg 2048w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=2560&format=jpeg 2560w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=3072&format=jpeg 3072w, https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=4096&format=jpeg 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The world’s most powerful space science telescope has opened its primary mirror for the last time on Earth.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="225" alt="Webb’s Golden Mirror Wings Open" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>In a recent test, NASA’s James Webb Space Telescope fully deployed its primary mirror into the same configuration it will...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="220" alt="NASA’s James Webb Space Telescope Full Mirror Deployment a Success" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>During the sunshield folding process for the James Webb Space Telescope, a team of technicians carefully fold each layer in...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="221" alt="Engineers working on NASA’s James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>In a recent test, NASA’s James Webb Space Telescope fully deployed its primary mirror into the same configuration it will...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=4096&format=webp 4096w"><img width="221" height="300" alt="An engineer looks up at the James Webb Space Telescope's Folding MIrrors" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>What’s the best way to make a really powerful telescope? Build a big mirror! The James Webb Space Telescope has...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="194" alt="James Webb Space Telescope Assembled Observatory Full Mirror Deployment Test" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The powerful primary mirrors of the James Webb Space Telescope will be able to detect the light from distant galaxies....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="252" alt="An image of the powerful primary mirrors of the James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This is a photo of one of the James Webb Space Telescope's primary mirror segments coated with gold by Quantum...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="A Engineer looks over one of the James Webb Space Telescope's primary mirror segments." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Ball Aerospace optical technician Scott Murray inspects the first gold primary mirror segment, a critical element of NASA's James Webb...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="An engineer over looks the Gold-coated Primary Mirror Segment of the James Webb Telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope, or Webb, emerged from Chamber A at NASA’s Johnson Space Center in Houston on Dec....</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="202" alt="Webb Telescope Emerges from Chamber A After Cryogenic Testing." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On Saturday, Dec. 11, NASA’s James Webb Space Telescope was secured on top of the Ariane 5 rocket that will...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="Engineer work on as Webb Placed on Top of Ariane 5" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Webb is now in its final series of deployment and checkout tests before the observatory is packed for shipment to...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=320&format=webp 320w, 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https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="169" alt="NASA’s Webb Sunshield Successfully Unfolds and Tensions in Final Tests" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A fully assembled Webb Telescope, propped by support structures, takes up the space inside the Northrop Grumman cleanroom. In the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="211" alt="NASA’s Webb Sunshield Successfully Unfolds and Tensions in Final Tests" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>With the completion of its latest series of milestone tests, NASA’s James Webb Space Telescope has now survived all of...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="225" alt="NASA’s James Webb Space Telescope Completes Environmental Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This is an archival image from October 2019, when technicians successfully performed a critical test on Webb's 5-layer sunshield by...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="NASA’s James Webb Space Telescope View of October 2019 Sunshield Deployment Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="176" alt="NASA’s James Webb Space Telescope Clears Critical Sunshield Deployment Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="229" alt="NASA’s James Webb Space Telescope Clears Critical Sunshield Deployment Testing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The flight structure of NASA's James Webb Space Telescope was standing tall on a platform in the cleanroom at NASA's...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=4096&format=webp 4096w"><img width="216" height="300" alt="An engineer stands on a ladder next to NASA's James Webb Space Telescope Structure." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The most powerful and complex space telescope ever created by humankind has achieved its final form as a fully assembled...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="222" alt="NASA’s James Webb Space Telescope Has Been Assembled for the First Time" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>This image was taken at Northrop Grumman. The optical portion of the telescope is complete, seen here, and is being...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="240" alt="Engineers Prep James Webb Telescope for Integration" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Arianespace's Ariane 5 rocket with NASA’s James Webb Space Telescope onboard, is seen at the launch pad, Thursday, Dec. 23,...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=4096&format=webp 4096w"><img width="240" height="300" alt="Ariane 5 with James Webb Space Telescope Prelaunch" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>As part of the NASA’s James Webb Space Telescope’s final tests, the 6.5 meter (21 feet 4 inch) mirror was...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=4096&format=webp 4096w"><img width="235" height="300" alt="Engineers look on as James Webb’s Golden Mirror Wings Open One Last Time on Earth." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Recently inside the clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland, engineers successfully completed two deployments for...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=4096&format=webp 4096w"><img width="213" height="300" alt="James Webb Space Telescope 'Wings' Successfully Deployed" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Arianespace's Ariane 5 rocket with NASA’s James Webb Space Telescope onboard, is seen in the final assembly building ahead of...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=4096&format=webp 4096w"><img width="240" height="300" alt="Prelaunch of Ariane 5 with James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Arianespace's Ariane 5 rocket launches with NASA’s James Webb Space Telescope onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="273" alt="James Webb Space Telescope Launch" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>A technician examines the backplane pathfinder – a flight-like model of the center section of the Webb telescope backplane used...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="A technician examines the backplane pathfinder" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>James Webb Space Telescope Launch onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch Zone of Europe’s Spaceport at the...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=4096&format=webp 4096w"><img width="237" height="300" alt="James Webb Space Telescope Launch" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=768&format=png 768w, 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style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The robotic arm lifts and lowers a golden James Webb Space Telescope flight spare primary mirror segment onto a test...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="197" alt="Webb Telescope Crew Flexes Robotic Arm at NASA" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Humanity’s final look at the James Webb Space Telescope as it heads into deep space.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="169" alt="Last Glimpse of the James Webb Space Telescope before it goes deep into space." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Inside a massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="225" alt="The last James Webb Space Telescope Primary Mirror Segment" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Arianespace's Ariane 5 rocket launches with NASA’s James Webb Space Telescope onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=4096&format=webp 4096w"><img width="247" height="300" alt="James Webb Space Telescope Launch" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Walk Out of the James Webb Space Telescope Secondary Mirror Support Structure</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=4096&format=webp 4096w"><img width="241" height="300" alt="This photo shows the first time that the optically complete telescope (18 primary mirror segments, the secondary mirror, and the Aft Optics Subsystem which contains the tertiary mirror) was placed in a deployed configuration." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>NASA’s James Webb Space Telescope has begun its stately rollout to the Arianespace ELA-3 launch complex at Europe’s Spaceport located...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=4096&format=webp 4096w"><img width="240" height="300" alt="NASA, Partners Roll Out Webb to Launch Pad" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The telescope is seen hanging from a crane, in the process of being moved over the sunshield.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="This photo from Northrop Grumman's clean room in Redondo Beach, California shows the start of the integration process of the James Webb Space Telescope." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Technicians and engineers working to ensure the soundness of NASA's James Webb Space Telescope manually lower its folded sunshield layers...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="Technicians Lay NASA's Webb Sunshield Layers Flat for Inspection" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>James Webb Space Telescope Assembled Observatory Full Mirror Deployment Test</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="194" alt="James Webb telescope duing its Deployment Test" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>On Friday 17 December, the Ariane 5 rocket fairing was closed around the James Webb Space Telescope. This protective fairing,...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=4096&format=webp 4096w"><img width="212" height="300" alt="Webb is encapsulated in its rocket fairing" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>James Webb Space Telescope on Launcher</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=4096&format=webp 4096w"><img width="240" height="300" alt="This image shows the James Webb Space Telescope atop its launch vehicle" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Archival Image: Webb's Mirror in the Goddard Cleanroom</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=4096&format=webp 4096w"><img width="240" height="300" alt="Archival image of the James Webb Space Telescope's mirror" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope Folds Its Wings</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=4096&format=webp 4096w"><img width="213" height="300" alt="The James Webb Space Telescope is shown with one of its two “wings" folded." loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope is the first of its kind “open” style telescope that relies on innovative space shielding...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="169" alt="An engineer looks over he James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>Engineers Matt Macias and Eve Woolridge take a close look at the James Webb Space Telescope's primary mirror at NASA...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=320&format=webp 320w, 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https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="200" alt="Low Light James Webb Space Telescope" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The world’s most powerful space science telescope has opened its primary mirror for the last time on Earth.</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=4096&format=webp 4096w"><img width="235" height="300" alt="Webb’s Golden Mirror Wings Open One Last Time on Earth" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=2560&format=png 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=3072&format=png 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=4096&format=png 4096w"></picture></div></div></div></div><div class="hds-media"><div class="hds-gallery-item-single hds-gallery-image"><div style="cursor:default !important;"><div><div class="hds-gallery-item-overlay hds-gallery-image-overlay"><div class="hds-gallery-item-caption hds-gallery-image-caption"><span>The James Webb Space Telescope captured this light curve of the brightness of WASP-96 b’s parent star over time. As...</span></div></div><picture class="BaseMedia width-full"><source type="image/webp" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=320&format=webp 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=640&format=webp 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=768&format=webp 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1024&format=webp 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1280&format=webp 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1536&format=webp 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=2048&format=webp 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=2560&format=webp 2560w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=3072&format=webp 3072w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=4096&format=webp 4096w"><img width="300" height="202" alt="NASA’s Webb Reveals Steamy Atmosphere of Distant Planet in Detail" loading="lazy" decoding="async" onerror="this.setAttribute('data-error', 1)" style="" class="width-full" data-nuxt-pic src="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=4096&format=png" sizes="(max-width: 640px) 320px, (max-width: 768px) 640px, (max-width: 1024px) 768px, (max-width: 1280px) 1024px, (max-width: 1536px) 1280px, 2048px" srcset="https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=320&format=png 320w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=640&format=png 640w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=768&format=png 768w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1024&format=png 1024w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1280&format=png 1280w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=1536&format=png 1536w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=2048&format=png 2048w, https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=2560&format=png 2560w, 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James Webb Space Telescope backplane component that will hold the primary mirror segments. Eight sections that will hold mirror segments are in full or partial view.","View of a portion of the James Webb Space Telescope backplane component that will hold the primary mirror segments.","cover",0,{"x":31,"y":31},0.5,"no","image",300,169,{"id":37,"url":38,"alt":39,"caption":40,"credits":16,"fit":28,"zoom":29,"focalPoint":41,"parallax":32,"detail_link":9,"contentType":33,"width":42,"height":34},411920,"https://science.nasa.gov/wp-content/uploads/2024/08/ariane4.jpg?w=89","Simulated view of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone of an Ariane 5 rocket.","Simulated view of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone...",{"x":31,"y":31},89,{"id":44,"url":45,"alt":46,"caption":47,"credits":48,"fit":28,"zoom":29,"focalPoint":49,"parallax":32,"detail_link":9,"contentType":33,"width":50,"height":34},404077,"https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cryocoolerelectronics.jpg?w=225","Cryocooler Electronics","The Cryocooler Electronics during testing.","Credit: NASA/JPL-Caltech",{"x":31,"y":31},225,{"id":52,"url":53,"alt":54,"caption":55,"credits":48,"fit":28,"zoom":29,"focalPoint":56,"parallax":32,"detail_link":9,"contentType":33,"width":50,"height":34},404076,"https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-cca.jpg?w=225","Cryocooler Compressor Assembly","The Cryocooler Compressor Assembly. This photo shows the flight cryocooler installed \"upside-down\" in a vacuum chamber for testing, before the...",{"x":31,"y":31},{"id":58,"url":59,"alt":60,"caption":61,"credits":48,"fit":28,"zoom":29,"focalPoint":62,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},404075,"https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-27433983430-74355aa30c-b.jpg?w=300","Webb's Cryocooler","The cooling device for the Mid-Infrared Instrument, or MIRI, one of the James Webb Space Telescope's four instruments. The MIRI...",{"x":31,"y":31},199,{"id":65,"url":66,"alt":67,"caption":68,"credits":69,"fit":28,"zoom":29,"focalPoint":70,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":71},404074,"https://science.nasa.gov/wp-content/uploads/2024/06/cryocooler-7338266148-968cf8d55c-c.jpg?w=300","NASA's MIRI Instrument Gets Clean Bill of Health","The MIRI instrument. MIRI's operates at temperatures of no more than 6.7 degrees above absolute zero, or minus 448 degrees...","Credit: NASA/Chris Gunn",{"x":31,"y":31},220,{"id":73,"url":74,"alt":75,"caption":76,"credits":77,"fit":28,"zoom":29,"focalPoint":78,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},404062,"https://science.nasa.gov/wp-content/uploads/2024/06/coating-27881087195-ba97033b29-b.jpg?w=300","A layer of the James Webb Space Telescope's flight sunshield","This image shows an engineer in a cleanroom looking at one of the sunshield layers that shows a grid pattern...","Credit: Nexvolve",{"x":31,"y":31},200,{"id":81,"url":82,"alt":83,"caption":84,"credits":85,"fit":28,"zoom":29,"focalPoint":86,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":87},404061,"https://science.nasa.gov/wp-content/uploads/2024/06/coating-15414105352-ab0b580748-b.jpg?w=300","The James Webb Space Telescope's Sunshield","On orbit, the observatory is pointed so that the sun, Earth and moon are always on one side, with the...","Credit: Northrop Grumman/Alex Evers",{"x":31,"y":31},153,{"id":89,"url":90,"alt":91,"caption":92,"credits":93,"fit":28,"zoom":29,"focalPoint":94,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},404060,"https://science.nasa.gov/wp-content/uploads/2024/06/coating-6189304429-f4a2362c77-b.jpg?w=300","The James Webb Space Telescope's Sunshield Membrane","The sunshield's membrane layers, each as thin as a human hair, are made of Kapton, a tough, high-performance plastic coated...","Credit: Northrop Grumman",{"x":31,"y":31},{"id":96,"url":97,"alt":98,"caption":99,"credits":16,"fit":28,"zoom":29,"focalPoint":100,"parallax":32,"detail_link":9,"contentType":33,"width":101,"height":102},403992,"https://science.nasa.gov/wp-content/uploads/2024/06/circuit-tech5.jpg?w=239","Cryo ASIC, by Rockwell","The SIDECAR(TM), or System Image, Digitizing, Enhancing, Controlling and Retrieving ASIC performs high-fidelity A-to-D signal conversion at cryogenic temperatures.",{"x":31,"y":31},239,183,{"id":104,"url":105,"alt":106,"caption":107,"credits":69,"fit":28,"zoom":29,"focalPoint":108,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},403991,"https://science.nasa.gov/wp-content/uploads/2024/06/circuit-37831187984-1471978cc4-b.jpg?w=300","Webb after cryogenic testing at JSC","Engineers inspect NASA's James Webb Space Telescope as it sits inside Chamber A at NASA's Johnson Space Center in Houston....",{"x":31,"y":31},{"id":110,"url":111,"alt":112,"caption":113,"credits":114,"fit":28,"zoom":29,"focalPoint":115,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":116},403990,"https://science.nasa.gov/wp-content/uploads/2024/06/circuit-23906129088-24040ce516-b.jpg?w=300","Webb during cryogenic testing at JSC with approximated chamber temperature indicated at -423.670 degrees F or 20 degrees Kelvin","A screenshot from the James Webb Space Telescope \"Webbcam\" showing the test chamber that Webb telescope had been sealed within,...","Credit: NASA/Steve Sabia",{"x":31,"y":31},172,{"id":118,"url":119,"alt":120,"caption":121,"credits":69,"fit":28,"zoom":29,"focalPoint":122,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":123},403989,"https://science.nasa.gov/wp-content/uploads/2024/06/circuit-15602707055-6691abe736-b.jpg?w=300","ISIM in Thermal Vac at GSFC","A crane lifts the flight instruments of the James Webb Space Telescope from the Goddard thermal vacuum chamber where it...",{"x":31,"y":31},193,{"id":125,"url":126,"alt":127,"caption":16,"credits":16,"fit":28,"zoom":29,"focalPoint":128,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":129},403929,"https://science.nasa.gov/wp-content/uploads/2024/06/detectors-detectortable1.jpg?w=300","Webb Instruments and their detectors",{"x":31,"y":31},134,{"id":131,"url":132,"alt":133,"caption":134,"credits":135,"fit":28,"zoom":29,"focalPoint":136,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":137},403928,"https://science.nasa.gov/wp-content/uploads/2024/06/detectors-25126485151-d358eba5b1.jpg?w=300","James Webb Space Telescope NIRCam H2RGs","This figure shows four 0.6 - 2.5 μm James Webb Space Telescope NIRCam H2RGs mounted into a focal plane module....","Credit: University of Arizona/NASA",{"x":31,"y":31},281,{"id":139,"url":140,"alt":141,"caption":142,"credits":135,"fit":28,"zoom":29,"focalPoint":143,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},403927,"https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24852004939-5ebdd7fcfb-b.jpg?w=300","Near Infrared Camera (NIRCam) detector","A James Webb Space Telescope Near Infrared Camera (NIRCam) detector with optical baffles removed. Light is collected in the purple...",{"x":31,"y":31},{"id":145,"url":146,"alt":147,"caption":148,"credits":149,"fit":28,"zoom":29,"focalPoint":150,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":151},403926,"https://science.nasa.gov/wp-content/uploads/2024/06/detectors-24593069363-9923912ce5.jpg?w=300","infrared detector hybrids","The James Webb Space Telescope uses infrared detector hybrids. The pixelated absorber layer (HgCdTe or Si:As) absorbs the light and...","Credit: Teledyne Imaging Sensors",{"x":31,"y":31},247,{"id":153,"url":154,"alt":155,"caption":156,"credits":157,"fit":28,"zoom":29,"focalPoint":158,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},403925,"https://science.nasa.gov/wp-content/uploads/2024/06/detectors-4813321160-e4a5efa235-z.jpg?w=300","This MIRI detector","This MIRI detector (green) is housed in a brick-like unit called a focal plane module. It has a 1024x1024 pixel...","Credit: NASA",{"x":31,"y":31},{"id":160,"url":161,"alt":162,"caption":163,"credits":157,"fit":28,"zoom":29,"focalPoint":164,"parallax":32,"detail_link":9,"contentType":33,"width":165,"height":34},403916,"https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-mirrortest.jpg?w=196","wavefront sensing and control testbed","Another view of the 1/6th scale model of the JWST mirror in optics testbed.",{"x":31,"y":31},196,{"id":167,"url":168,"alt":169,"caption":170,"credits":157,"fit":28,"zoom":29,"focalPoint":171,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":172},403915,"https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23810296101-de537b32f6-o.jpg?w=300","Webb Optics Testbed","Alternative view of the 1/6th scale model of the JWST mirror in optics testbed.",{"x":31,"y":31},214,{"id":174,"url":175,"alt":176,"caption":177,"credits":157,"fit":28,"zoom":29,"focalPoint":178,"parallax":32,"detail_link":9,"contentType":33,"width":179,"height":34},403914,"https://science.nasa.gov/wp-content/uploads/2024/06/wavefront-23597104830-34a8baf476-o.jpg?w=195","Webb Optics Testbed 2","Fully functional, 1/6th scale model of the JWST mirror in its optics testbed used to develop wavefront sensing and control.",{"x":31,"y":31},195,{"id":181,"url":182,"alt":183,"caption":184,"credits":185,"fit":28,"zoom":29,"focalPoint":186,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":187},403876,"https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-42710268032-a99d3cfe36-o.jpg?w=300","microshutter testing image","This abstract image was a preview of the instrumental power that was unleashed now that the James Webb Space Telescope...","Credit: ESA/SOT Team",{"x":31,"y":31},161,{"id":189,"url":190,"alt":191,"caption":192,"credits":157,"fit":28,"zoom":29,"focalPoint":193,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":165},403875,"https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967588-3e92d4d0c3-o.jpg?w=300","entire microshutter device","One of the four array quadrants of the microshutter device is about the size of a postage stamp. Each quadrant...",{"x":31,"y":31},{"id":195,"url":196,"alt":197,"caption":198,"credits":157,"fit":28,"zoom":29,"focalPoint":199,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":200},403874,"https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812343109-37bebd9200-o.jpg?w=300","An array of microshutters.","An array of microshutters on the James Webb Space Telescope's NIRSpec instrument.",{"x":31,"y":31},268,{"id":202,"url":203,"alt":191,"caption":204,"credits":157,"fit":28,"zoom":29,"focalPoint":205,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":206},403867,"https://science.nasa.gov/wp-content/uploads/2024/06/microshutters-4812967834-7d71238c0a.jpg?w=300","The entire microshutter device consists of approximately 250,000 individual windows with shutters arrayed in a waffle-like grid.",{"x":31,"y":31},176,{"id":208,"url":209,"alt":210,"caption":211,"credits":212,"fit":28,"zoom":29,"focalPoint":213,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},392759,"https://science.nasa.gov/wp-content/uploads/2024/05/gsfc_20171208_archive_e001055orig.jpeg?w=300","A technician in a cleanroom suit inspects parts to an instrument through a 3D microscope.","A technician aligns a Focal Plane Assembly, part of the NIRCam instrument.","Credits: NASA/Goddard/Chris Gunn",{"x":31,"y":31},{"id":215,"url":216,"alt":217,"caption":218,"credits":218,"fit":28,"zoom":29,"focalPoint":219,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":71},392718,"https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k-1.jpg?w=300","gold-hued hexagonal primary mirror of Webb telescope, photographed inside a clean room","Credit: NASA Goddard/Chris Gunn",{"x":31,"y":31},{"id":221,"url":222,"alt":223,"caption":224,"credits":218,"fit":28,"zoom":29,"focalPoint":225,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":71},392691,"https://science.nasa.gov/wp-content/uploads/2024/05/49721714093-5ae214c5ec-k.jpeg?w=300","Webb’s giant golden mirror stands tall. Light reflects off the 18 gold-coated mirror segments in a clean room. Its secondary mirror support structure is folded upwards. Its folded sunshield is just visible at lower left.","NASA’s James Webb Space Telescope",{"x":31,"y":31},{"id":227,"url":228,"alt":229,"caption":230,"credits":69,"fit":28,"zoom":29,"focalPoint":231,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":232},392685,"https://science.nasa.gov/wp-content/uploads/2024/05/1hr7pzsg.jpeg?w=300","Technicians and engineers visually inspect the support structure of the James Webb Space Telescope that holds it in place.","Following a successful deployment test of NASA Webb’s mission-critical secondary mirror, technicians and engineers visually inspect the support structure that...",{"x":31,"y":31},92,{"id":234,"url":235,"alt":236,"caption":16,"credits":16,"fit":28,"zoom":29,"focalPoint":237,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},392665,"https://science.nasa.gov/wp-content/uploads/2024/05/jwst_mirrors_in_xrcf_-_4.jpg?w=300","Ball Aerospace lead optical test engineer Dave Chaney inspects six primary mirror segments, critical elements of the James Webb Space Telescope, prior to cryogenic testing in the X-ray & Cryogenic Facility at Marshall Space Flight Center",{"x":31,"y":31},{"id":239,"url":240,"alt":241,"caption":224,"credits":242,"fit":28,"zoom":29,"focalPoint":243,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":244},392612,"https://science.nasa.gov/wp-content/uploads/2024/05/48936479373-aedba34e60-o.jpeg?w=300","The James Webb Space Telescope being worked on at NASA","NASA",{"x":31,"y":31},229,{"id":246,"url":247,"alt":248,"caption":16,"credits":16,"fit":28,"zoom":29,"focalPoint":249,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":165},392577,"https://science.nasa.gov/wp-content/uploads/2024/05/james_webb_1.jpg?w=300","NASA technicians lift the James Webb Telescope",{"x":31,"y":31},{"id":251,"url":252,"alt":16,"caption":16,"credits":16,"fit":28,"zoom":29,"focalPoint":253,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":123},324497,"https://science.nasa.gov/wp-content/uploads/2024/03/webbfinalcommissioningtempssnapshotlaunchplus6months.jpg?w=300",{"x":31,"y":31},{"id":255,"url":256,"alt":16,"caption":16,"credits":16,"fit":28,"zoom":29,"focalPoint":257,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":123},324496,"https://science.nasa.gov/wp-content/uploads/2024/03/webbsunshielddeploymentcooldownhotcoldsidetemps.jpg?w=300",{"x":31,"y":31},{"id":259,"url":260,"alt":261,"caption":262,"credits":263,"fit":28,"zoom":29,"focalPoint":264,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},306100,"https://science.nasa.gov/wp-content/uploads/2024/02/51404134793-6a0d9b47de-k.jpg?w=240","This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period (late spring to early summer), the telescope was having its sunshield packed up and prepped for launch, and the final test fold of the mirror wings was also taking place.","This archival image is from May 2021 when Webb was at the Northrop Grumman facility. During this approximate time period...","NASA/Chris Gunn",{"x":31,"y":31},240,{"id":267,"url":268,"alt":269,"caption":270,"credits":271,"fit":28,"zoom":29,"focalPoint":272,"parallax":32,"detail_link":9,"contentType":33,"width":206,"height":34},305582,"https://science.nasa.gov/wp-content/uploads/2024/02/stsci-01evszz856nj771gawy6n5jwcw.png?w=176","Infographic showning Webb in profile with light from the sun hitting the the sun facing hot side of the sunshield ( 185 F / 85 C ) and the deep space facing cold side of the sunshield and telescope ( -388F / -233C ) as well as showing the 5 layer sunshield radiating heat out of each layer.","Approximate temperatures of the two sides of Webb Telescope: the sun facing hot side ( 185°F / 85°C ) and...","NASA, ESA, CSA, STScI",{"x":31,"y":31},{"id":274,"url":275,"alt":276,"caption":277,"credits":16,"fit":28,"zoom":29,"focalPoint":278,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305580,"https://science.nasa.gov/wp-content/uploads/2024/02/51765440071-2961f78e90-k-1.jpg?w=300","This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed by engineers and technicians at Northrop Grumman.","This archival image was taken in February 2021 and shows the James Webb Space Telescope's sunshield being folded and packed...",{"x":31,"y":31},{"id":280,"url":281,"alt":282,"caption":283,"credits":284,"fit":28,"zoom":29,"focalPoint":285,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":286},305579,"https://science.nasa.gov/wp-content/uploads/2024/02/50218709482-eca4b43545-k.jpg?w=300","This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to the same position that they will have while orbiting the Sun a million miles away from Earth.","This image is from October 2019 when technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying...","Northrop grumman",{"x":31,"y":31},105,{"id":288,"url":289,"alt":290,"caption":291,"credits":292,"fit":28,"zoom":29,"focalPoint":293,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":294},305578,"https://science.nasa.gov/wp-content/uploads/2024/02/50521105816-6974eaff03-k.jpg?w=300","In this photo from August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it underwent this fall. This testing, designed to mimic the sound and vibration the telescope will experience during launch, was successfully completed in early October 2020. Here the sunshield is carefully folded in preparation for stowing the telescope into its launch configuration.","In this photo from August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it...","Northrop Grumman",{"x":31,"y":31},211,{"id":296,"url":297,"alt":261,"caption":262,"credits":292,"fit":28,"zoom":29,"focalPoint":298,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305576,"https://science.nasa.gov/wp-content/uploads/2024/02/51765440806-ab9f69d307-k.jpg?w=300",{"x":31,"y":31},{"id":300,"url":301,"alt":302,"caption":303,"credits":292,"fit":28,"zoom":29,"focalPoint":304,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305573,"https://science.nasa.gov/wp-content/uploads/2024/02/51307898044-6da007e75a-k.jpg?w=300","In this archival image from January 2021, technicians and engineers work on the James Webb Space Telescope, preparing its sunshield to be folded. The sunshield fold was accomplished in April 2021. Read all about this milestone:","In this archival image from January 2021, technicians and engineers work on the James Webb Space Telescope, preparing its sunshield...",{"x":31,"y":31},{"id":306,"url":307,"alt":276,"caption":277,"credits":292,"fit":28,"zoom":29,"focalPoint":308,"parallax":32,"detail_link":9,"contentType":33,"width":79,"height":34},305572,"https://science.nasa.gov/wp-content/uploads/2024/02/51308230245-e09fccaa27-k.jpg?w=200",{"x":31,"y":31},{"id":310,"url":311,"alt":282,"caption":283,"credits":292,"fit":28,"zoom":29,"focalPoint":312,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":313},305571,"https://science.nasa.gov/wp-content/uploads/2024/02/50218488391-aaaed10f29-k.jpg?w=300",{"x":31,"y":31},204,{"id":315,"url":316,"alt":317,"caption":318,"credits":319,"fit":28,"zoom":29,"focalPoint":320,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305548,"https://science.nasa.gov/wp-content/uploads/2024/02/50521283192-835dde3bec-k.jpg?w=300","Webb in the clean room an Northrup Grumman for final integration and test. with the 5 sunshield layers laid flat on a supporting structure","August 2020, engineers and techs prep the James Webb Space Telescope for the environmental testing it underwent this Fall. This...","Northrup Grumman",{"x":31,"y":31},{"id":322,"url":323,"alt":324,"caption":325,"credits":319,"fit":28,"zoom":29,"focalPoint":326,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305547,"https://science.nasa.gov/wp-content/uploads/2024/02/50222410512-9e2e128bea-k.jpg?w=300","Webb in the Northrup Grumman clean room for final integration and test before launch. Shown here with the primary mirror wings deployed and the sunshield folded within the forward pallet.","Webb's sunshield folded into the pallets that hold it for launch and deployment.",{"x":31,"y":31},{"id":328,"url":329,"alt":330,"caption":331,"credits":292,"fit":28,"zoom":29,"focalPoint":332,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305546,"https://science.nasa.gov/wp-content/uploads/2024/02/50221542358-d8c588cc27-k.jpg?w=300","Webb in the Northrup Grumman clean room for final integration and test before launch. Technicials are preparing the sunshield and sunshield covers into their folded launch configuration","The image is from April 2020. Webb in the Northrup Grumman clean room for final integration and test before launch....",{"x":31,"y":31},{"id":334,"url":335,"alt":336,"caption":337,"credits":292,"fit":28,"zoom":29,"focalPoint":338,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},305545,"https://science.nasa.gov/wp-content/uploads/2024/02/51306440132-72e1efa35f-k.jpg?w=300","Webb in the Northrup Grumman clean room for final integration and test before launch. Technicians preparing the sunshield for folding after a successful deployment test.","Webb in the Northrup Grumman clean room for final integration and test before launch. Technicians preparing the sunshield for folding...",{"x":31,"y":31},{"id":340,"url":341,"alt":276,"caption":277,"credits":292,"fit":28,"zoom":29,"focalPoint":342,"parallax":32,"detail_link":9,"contentType":33,"width":79,"height":34},305544,"https://science.nasa.gov/wp-content/uploads/2024/02/51540411439-5e85815c72-h.jpg?w=200",{"x":31,"y":31},{"id":344,"url":345,"alt":346,"caption":347,"credits":348,"fit":28,"zoom":29,"focalPoint":349,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":350},287619,"https://science.nasa.gov/wp-content/uploads/2024/01/51786411542-c98ca98fa7-k.jpg?w=300","Webb launches on a cloudy day from an Arianne 5 rocket. The image shows the rocket just lifting off the pad with a plume of orange fire and a plume grey blue smoke extending well to the right against a slate blue sky.","Arianespace's Ariane 5 rocket launches with NASA’s James Webb Space Telescope onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch...","NASA/Bill Ingalls",{"x":31,"y":31},141,{"id":352,"url":353,"alt":354,"caption":355,"credits":16,"fit":28,"zoom":29,"focalPoint":356,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},287599,"https://science.nasa.gov/wp-content/uploads/2024/01/7748605238-cb6ebb3e0d-b.jpg?w=300","Webb Telescope's Fine Guidance Sensor Gets Lots of Guidance","The FGS/NIRISS at NASA Goddard before integration into the instrument module.",{"x":31,"y":31},{"id":358,"url":359,"alt":360,"caption":361,"credits":362,"fit":28,"zoom":29,"focalPoint":363,"parallax":32,"detail_link":9,"contentType":33,"width":364,"height":34},287541,"https://science.nasa.gov/wp-content/uploads/2024/01/wt-ariane5-launch.jpg?w=255","Montage of Webb (JWST) in it's folded and stowed launch configuration inside the nose cone of an Ariane 5 rocket.","Montage of the James Webb Space Telescope (JWST) in it's folded and stowed launch configuration inside the nose cone of...","Illustration credit Courtesy of ArianeSpace.com. Photo credit: ESA-CNES-Arianespace/Optique Vidéo du CSG-OV.",{"x":31,"y":31},255,{"id":366,"url":367,"alt":368,"caption":369,"credits":370,"fit":28,"zoom":29,"focalPoint":371,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},286447,"https://science.nasa.gov/wp-content/uploads/2023/12/l2.jpg?w=300","Diagram (not to scale) of Lagrange points L1, L2, L3, L4, and L5 relative to the sun and the earth. An illustration of JWST is shown orbiting the L2 Lagrange point.","Webb's sunshield is positioned between the Sun/Earth/Moon and the telescope. Webb's orbit at L2.","STScI",{"x":31,"y":31},{"id":373,"url":374,"alt":375,"caption":376,"credits":16,"fit":28,"zoom":29,"focalPoint":377,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":378},286446,"https://science.nasa.gov/wp-content/uploads/2023/12/jwst-front-view.jpg?w=300","An illustration of the James Webb Space Telescope with the following items labelled and identified: the Optical Telescope Element (OTE) Primary Mirror, OTE Secondary Mirror, the Backplane, ISIM (Integrated Science Instrument Module), the Sunshield, the Spacecraft Bus, and the Startrackers.","The sunshield protects the telescope from external sources of light and heat (like the Sun, Earth, and Moon).",{"x":31,"y":31},209,{"id":380,"url":381,"alt":382,"caption":383,"credits":16,"fit":28,"zoom":29,"focalPoint":384,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":385},286042,"https://science.nasa.gov/wp-content/uploads/2023/12/mirror12.jpg?w=300","An image of the Mirror Segments and its Brush Wellman team","The Brush Wellman team and the mirror blanks.",{"x":31,"y":31},197,{"id":387,"url":388,"alt":389,"caption":390,"credits":263,"fit":28,"zoom":29,"focalPoint":391,"parallax":32,"detail_link":9,"contentType":33,"width":392,"height":34},285426,"https://science.nasa.gov/wp-content/uploads/2023/12/04a-isim-integration-2.jpg?w=224","Webb’s instrument module is integrated onto the back of the telescope, right behind the mirrors. The telescope is facedown on a white stand, with the golden mirrors facing down. The secondary mirror support structure is folded over the mirrors, with the round back of the secondary mirrors facing the camera. Behind it is a black radiator panel. The instrument module is being lowered by a crane. The 4 science instruments are visible through the module structure. In the background is a wall of HEPA filters that help keep the NASA Goddard cleanroom clean.","On May 19, 2016, inside a massive clean room at NASA's Goddard Space Flight Center, Webb’s Integrated Science Instrument Module...",{"x":31,"y":31},224,{"id":394,"url":395,"alt":396,"caption":397,"credits":263,"fit":28,"zoom":29,"focalPoint":398,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":399},284516,"https://science.nasa.gov/wp-content/uploads/2023/12/001-first-mirror-arrivals-gsfc.jpg?w=300","A diverse group of people in white cleanroom suits carefully inspect a single golden faced, hexagonal mirror from the James Webb Space Telescope. Many faces all stare intently, some using flashlights, to examine the mirror surface. Reflected on the surface is the face and intense eye contact from one engineer, and the bright reflection of his flashlight shining directly at the viewer. Behind this engineer, a stainless-steel lens cap used to safely transport the mirror, nearly the size of a human body, rests on scaffolding, still attached by ropes to the crane that lifted it off the mirror moments before. In the background, gray and light blue walls lay behind several other components of Webb scattered around the cleanroom floor. To the right of the frame, a structure made of long overlapping black struts that appear like scaffolding sits on top of a lift table that is meant to safely move the structure up and down.","On Nov. 6, 2012, engineers and technicians inspected one of the first of Webb’s 18 hexagonal mirrors to arrive at...",{"x":31,"y":31},205,{"id":401,"url":402,"alt":403,"caption":404,"credits":263,"fit":28,"zoom":29,"focalPoint":405,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":165},284515,"https://science.nasa.gov/wp-content/uploads/2023/12/002-mirror-cover-removal.jpg?w=300","The covers being removed from the hexagonal gold mirrors of the James Webb Space Telescope. Two people in cleanroom “bunny” suits lay on diving boards over the mirror, which lays face pointed up, very carefully removing the covers one at a time. In this photo 6 covers have been removed, revealing the golden mirrors beneath. These are the 4 center line mirrors and two in the 4 and 5 o’clock positions. The two workers each hold part of another cover as they remove it. The worker on the right is reflected in the mirrors. Each of the black covers has a white sign on it noting which mirror segment it is. Each segment has a unique designation including A, B, or C and 1, 2, 3, 4, 5, or 6 depending on its prescription and location.","Inside a clean room at NASA’s Goddard Space Flight Center, on the afternoon of April 25, 2016, the James Webb...",{"x":31,"y":31},{"id":407,"url":408,"alt":409,"caption":410,"credits":263,"fit":28,"zoom":29,"focalPoint":411,"parallax":32,"detail_link":9,"contentType":33,"width":79,"height":34},284514,"https://science.nasa.gov/wp-content/uploads/2023/12/002a-wing-folding.jpg?w=200","The James Webb Space Telescope mirrors upright on a white stand in the NASA Goddard cleanroom. The 3 mirrors on the right “wing” are folding back like a leaf on a drop-leaf table. The telescope has 18 golden hexagonal segments. The secondary mirror support structure, made of three thin black lines, is folded and the secondary mirror sits atop this folded tripod. There are 5 people in white cleanroom suits supervising the folding maneuver. One of them is on a red lift at the back right. There is a wall of HEPA filters behind the telescope.","NASA’s James Webb Space Telescope is shown with one of its two “wings” folded. Each wing holds three of its...",{"x":31,"y":31},{"id":413,"url":414,"alt":415,"caption":416,"credits":263,"fit":28,"zoom":29,"focalPoint":417,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},284513,"https://science.nasa.gov/wp-content/uploads/2023/12/003-isim-in-ses.jpg?w=300","The silvery James Webb Space Telescope instrument module is enclosed in a metallic gold-colored structure. NASA photographer Desiree Stover stands to the left, holding some equipment and facing the hardware. She is wearing a white cleanroom suit. She and the hardware are inside a round, black chamber, which is inside Goddard’s large thermal vacuum chamber where the instrument is tested at its extremely cold operating temperatures.","Dressed in a clean room suit, NASA photographer Desiree Stover shines a light on the Space Environment Simulator's integration frame...",{"x":31,"y":31},{"id":419,"url":420,"alt":389,"caption":390,"credits":263,"fit":28,"zoom":29,"focalPoint":421,"parallax":32,"detail_link":9,"contentType":33,"width":392,"height":34},284512,"https://science.nasa.gov/wp-content/uploads/2023/12/004-isim-integration.jpg?w=224",{"x":31,"y":31},{"id":423,"url":424,"alt":425,"caption":426,"credits":263,"fit":28,"zoom":29,"focalPoint":427,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},284511,"https://science.nasa.gov/wp-content/uploads/2023/12/005-vibe-prep-gsfc.jpg?w=300","The Webb telescope mirrors are shown in the NASA Goddard cleanroom, with a clean tent, which looks like a giant rectangle made of clear plastic tarp, half over the mirrors. A crane is lowering it down. The mirrors are gold hexagons. The three on each side wing are folded back like a drop leaf table. The telescope is being prepped for vibration testing. For testing, it has to be removed from the cleanroom, so the tent will protect it while it is being tested. There are multiple people in white cleanroom suits that cover them from head to toe and protect the cleanroom from hair and skin cells and contaminants on clothes. Two of the people are on a blue lift to the right of the telescope, and one on a red and silver left to the left, inspecting the work. There is a yellow ladder at far left. There are various white support structures. The wall at far right is covered in HEPA filters. The very large cleanroom door is directly behind the telescope.","Taken on Nov. 16, 2016, inside NASA Goddard’s largest clean room Webb’s Optical Telescope Element and Integrated Science Instrument Module...",{"x":31,"y":31},{"id":429,"url":430,"alt":431,"caption":432,"credits":263,"fit":28,"zoom":29,"focalPoint":433,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},284510,"https://science.nasa.gov/wp-content/uploads/2023/12/006-webb-enters-chamber-a-jsc.jpg?w=240","The Webb telescope enters the giant Chamber A thermal vacuum chamber at NASA Johnson. At this point, Webb consists of mirrors and instruments but has not yet been mated with the sunshield or spacecraft bus. Webb is on its back, golden hexagonal mirrors face up. The secondary mirror support structure is extended like a tripod above the primary mirrors. The telescope lies on black and silver support equipment. It is half in the giant mouth of the cavernous test chamber. The chamber is filled with test equipment and people in cleanroom suits. One of them stands on top of a red ladder.","On June 20, 2017, Webb’s Optical Telescope Element and science instruments were loaded into the historic thermal vacuum testing facility...",{"x":31,"y":31},{"id":435,"url":436,"alt":437,"caption":438,"credits":263,"fit":28,"zoom":29,"focalPoint":439,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":265},284509,"https://science.nasa.gov/wp-content/uploads/2023/12/007-first-move-to-horiz.jpg?w=300","Several cleanroom technicians stand and watch as the Webb telescope, in its folded configuration, is being lifted and horizontally tilted towards the right side. When folded, Webb’s purple, metallic pallets surround its hexagonal, gold-coated mirror segments, making a long rectangle shape. The technicians wear blue gloves and white contamination-control suits that have the blue Northrop Grumman logo on the back. This image was taken in the Northrop Grumman cleanroom, which features a blue line running across its bright white walls.","On Sept. 16, 2021, Webb was ready to be shipped to the launch site in French Guiana. Before Webb could...",{"x":31,"y":31},{"id":441,"url":442,"alt":443,"caption":444,"credits":263,"fit":28,"zoom":29,"focalPoint":445,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},284508,"https://science.nasa.gov/wp-content/uploads/2023/12/008-last-observatory-lift-fg-.jpg?w=300","Image taken in a cleanroom at Europe’s Spaceport in Kourou, French Guiana. Dozens of cleanroom technicians, wearing white contamination-control suits and blue gloves, stand towards the left side of this image. On the right side is the Webb telescope in its folded configuration. Its purple sunshield pallets enclose its hexagonal, gold-colored mirror segments. Other hardware, wires, and equipment are located around the cleanroom, which features bright white walls.","This never-before-seen image shows engineers and technicians disassembling ground hardware after completing one of the final lifts of the Webb...",{"x":31,"y":31},{"id":447,"url":448,"alt":449,"caption":450,"credits":263,"fit":28,"zoom":29,"focalPoint":451,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},284507,"https://science.nasa.gov/wp-content/uploads/2023/12/009-webb-launch.jpg?w=240","Webb’s Ariane 5 rocket launches from Europe’s Spaceport in Kourou, French Guiana. A glowing, white-yellow stream of gas and fire is streaming from the rocket towards the ground below. The ground is covered with puffy clouds of pink-orange gas. In the background, lit up by the launch, is a building that is emblazoned with dark blue European Space Agency (ESA) and Ariane logos. The sky is a dark blue-gray and largely cloudy.","“Liftoff – from a tropical rainforest to the edge of time itself, James Webb begins a voyage back to the...",{"x":31,"y":31},{"id":453,"url":454,"alt":455,"caption":456,"credits":16,"fit":28,"zoom":29,"focalPoint":457,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":458},211302,"https://science.nasa.gov/wp-content/uploads/2023/09/fgs1.jpg?w=300","FGS engineering diagram\"","FGS/NIRISS was built by the Canadian Space Agency.",{"x":31,"y":31},244,{"id":460,"url":461,"alt":462,"caption":462,"credits":16,"fit":28,"zoom":29,"focalPoint":463,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":464},211301,"https://science.nasa.gov/wp-content/uploads/2023/09/nirspec-cad-sm.jpg?w=300","NIRSpec Engineering Diagram",{"x":31,"y":31},236,{"id":466,"url":467,"alt":468,"caption":469,"credits":263,"fit":28,"zoom":29,"focalPoint":470,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},211300,"https://science.nasa.gov/wp-content/uploads/2023/09/16500218037-1e75160524-k.jpg?w=300","From left to right: Ralf Ehrenwinkler (Airbus DS), Frank Merkle (Airbus DS), Kai Hoffmann (Airbus DS), Robert Eder (Airbus DS), Max Speckmaier (Airbus DS) and Maurice te Plate (ESA)","James Webb Space Telescope NIRSpec Upgrades Complete!",{"x":31,"y":31},{"id":472,"url":473,"alt":474,"caption":475,"credits":16,"fit":28,"zoom":29,"focalPoint":476,"parallax":32,"detail_link":9,"contentType":33,"width":477,"height":478},211293,"https://science.nasa.gov/wp-content/uploads/2023/09/microshutters1.jpg?w=216","Closeup of microshutter array","NIRSpec's microshutter cells, each approximately as wide as a human hair, have lids that open and close when a magnetic...",{"x":31,"y":31},216,127,{"id":480,"url":481,"alt":482,"caption":482,"credits":16,"fit":28,"zoom":29,"focalPoint":483,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":484},207072,"https://science.nasa.gov/wp-content/uploads/2023/09/miri.jpg?w=300","MIRI Engineering Diagram",{"x":31,"y":31},286,{"id":486,"url":487,"alt":488,"caption":489,"credits":263,"fit":28,"zoom":29,"focalPoint":490,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},206949,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstteam-photo2.jpg?w=300","JWST Team Photo with Completed Flight Instrument module\"","JWST Team Photo with Completed Flight Instrument module",{"x":31,"y":31},{"id":492,"url":493,"alt":494,"caption":495,"credits":263,"fit":28,"zoom":29,"focalPoint":496,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":497},206942,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-keyscienceinstrumentinstalled.jpg?w=300","Key Science Instrument Installed into Webb Structure.","Installation of MIRI into the instrument module.",{"x":31,"y":31},188,{"id":499,"url":500,"alt":501,"caption":502,"credits":16,"fit":28,"zoom":29,"focalPoint":503,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":504},206037,"https://science.nasa.gov/wp-content/uploads/2023/09/nircam1.jpg?w=300","An image of the NIRCam Engineering Diagram","NIRCam Engineering Diagram",{"x":31,"y":31},272,{"id":506,"url":507,"alt":489,"caption":508,"credits":263,"fit":28,"zoom":29,"focalPoint":509,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},206036,"https://science.nasa.gov/wp-content/uploads/2023/09/13472409915-2d32500c25-3k.jpg?w=300","Group photo of JWST project members with the complete Integrated Science Instrument Module.",{"x":31,"y":31},{"id":511,"url":512,"alt":513,"caption":514,"credits":263,"fit":28,"zoom":29,"focalPoint":515,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},206035,"https://science.nasa.gov/wp-content/uploads/2023/09/13313063673-7c06d3b53a-3k.jpg?w=300","NIRCam being installed into the instrument module.","The flight Near-Infrared Camera was installed into the flight Integrated Science Instrument Module (ISIM) for the James Webb Space Telescope.",{"x":31,"y":31},{"id":517,"url":518,"alt":519,"caption":520,"credits":16,"fit":28,"zoom":29,"focalPoint":521,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":522},206034,"https://science.nasa.gov/wp-content/uploads/2023/09/instrumentranges.jpg?w=300","An image of Webb's iInstrument infrared sensitivity wavelength ranges.","The NIRCAM operates over a wavelength range of 0.6 to 5 microns.",{"x":31,"y":31},178,{"id":524,"url":525,"alt":526,"caption":527,"credits":16,"fit":28,"zoom":29,"focalPoint":528,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":529},206031,"https://science.nasa.gov/wp-content/uploads/2023/09/ote1.jpg?w=300","OTE engineering diagram","This image shows what the The OTE Consists Of.",{"x":31,"y":31},212,{"id":531,"url":532,"alt":533,"caption":534,"credits":263,"fit":28,"zoom":29,"focalPoint":535,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},206030,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-ote-isim.jpg?w=300","The OTIS out of cryovac chamber at NASA Johnson.","The OTIS (OTE+ISIM) out of cryovac chamber at NASA Johnson. The OTIS is an acronym that includes the OTE plus...",{"x":31,"y":31},{"id":537,"url":538,"alt":539,"caption":540,"credits":16,"fit":28,"zoom":29,"focalPoint":541,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":542},201974,"https://science.nasa.gov/wp-content/uploads/2023/09/bus4.jpg?w=300","Engineering Diagram 4 of the Spacecraft bus\"","Engineering Diagram 4 Spacecraft bus\"",{"x":31,"y":31},124,{"id":544,"url":545,"alt":546,"caption":547,"credits":16,"fit":28,"zoom":29,"focalPoint":548,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":549},201973,"https://science.nasa.gov/wp-content/uploads/2023/09/bus3.jpg?w=300","Engineering Diagram 3 of the Spacecraft bus","Engineering Diagram 3 Spacecraft bus",{"x":31,"y":31},264,{"id":551,"url":552,"alt":553,"caption":554,"credits":16,"fit":28,"zoom":29,"focalPoint":555,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":556},201972,"https://science.nasa.gov/wp-content/uploads/2023/09/bus2.jpg?w=300","Engineering Diagram 2 of the Spacecraft bus","Engineering Diagram 2 Spacecraft bus",{"x":31,"y":31},156,{"id":558,"url":559,"alt":560,"caption":561,"credits":16,"fit":28,"zoom":29,"focalPoint":562,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":563},201971,"https://science.nasa.gov/wp-content/uploads/2023/09/bus1.jpg?w=300","Engineering Diagram 1 of the Spacecraft bus","Engineering Diagram 1 Spacecraft bus",{"x":31,"y":31},206,{"id":565,"url":566,"alt":567,"caption":568,"credits":292,"fit":28,"zoom":29,"focalPoint":569,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},201970,"https://science.nasa.gov/wp-content/uploads/2023/09/17018425797-dfcf606961-4k.jpg?w=300","Test technicians work on a mock-up of the James Webb Space Telescope spacecraft bus","At Northrop Grumman Aerospace Systems facilities in Redondo Beach, Calif., integration and test technicians work on a mock-up of the...",{"x":31,"y":31},{"id":571,"url":572,"alt":573,"caption":574,"credits":292,"fit":28,"zoom":29,"focalPoint":575,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":576},201943,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopeslastbackbonecomponent.jpg?w=300","Diagram showing the Backplane Support Fixture (BSF)","This x-ray diagram of NASA’s James Webb Space Telescope shows where the backplane support frame (BSF) is in relation to...",{"x":31,"y":31},250,{"id":578,"url":579,"alt":580,"caption":581,"credits":292,"fit":28,"zoom":29,"focalPoint":582,"parallax":32,"detail_link":9,"contentType":33,"width":63,"height":34},201940,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-deployabletowerassembly.jpg?w=199","The Deployable Tower Assembly","The Deployable Tower Array at the base of the telescope structure",{"x":31,"y":31},{"id":584,"url":585,"alt":586,"caption":587,"credits":263,"fit":28,"zoom":29,"focalPoint":588,"parallax":32,"detail_link":9,"contentType":33,"width":63,"height":34},201936,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-firstmirrorinstallation.jpg?w=199","NASA’s Webb Space Telescope Receives First Mirror Installation","The first mirror is installed on the flight telescope structure",{"x":31,"y":31},{"id":590,"url":591,"alt":592,"caption":593,"credits":263,"fit":28,"zoom":29,"focalPoint":594,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},201926,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-silvergold.jpg?w=300","Engineer Larkin Carey examines two test mirror segments","Inside NASA's Goddard Space Flight Center's giant clean room in Greenbelt, Md., JWST Optical Engineer Larkin Carey examines two test...",{"x":31,"y":31},{"id":596,"url":597,"alt":598,"caption":599,"credits":263,"fit":28,"zoom":29,"focalPoint":600,"parallax":32,"detail_link":9,"contentType":33,"width":601,"height":34},201920,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-pathfinder.jpg?w=233","JWST Pathfinder in front of Chamber A","The Pathfinder about to be moved into Chamber A for cryo tests.",{"x":31,"y":31},233,{"id":603,"url":604,"alt":605,"caption":606,"credits":263,"fit":28,"zoom":29,"focalPoint":607,"parallax":32,"detail_link":9,"contentType":33,"width":79,"height":34},201915,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-completedprimarymirror.jpg?w=200","NASA's James Webb Space Telescope Primary Mirror Fully Assembled","The completed primary mirror on the flight telescope structure at NASA Goddard Space Flight Center. The black covers on the...",{"x":31,"y":31},{"id":609,"url":610,"alt":611,"caption":612,"credits":263,"fit":28,"zoom":29,"focalPoint":613,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":614},201907,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-emergedfromchambera-.jpg?w=300","NASA's James Webb Space Telescope combined science instruments and optical element","NASA's James Webb Space Telescope, or Webb, emerged from Chamber A at NASA's Johnson Space Center in Houston on Dec....",{"x":31,"y":31},202,{"id":616,"url":617,"alt":618,"caption":619,"credits":292,"fit":28,"zoom":29,"focalPoint":620,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},201899,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-telescopegetsitswings.jpg?w=300","The James Webb Space Telescope gets its wings","Technicians complete the primary mirror backplane support structure wing assemblies for NASA's James Webb Space Telescope at ATK's Space Components...",{"x":31,"y":31},{"id":622,"url":623,"alt":624,"caption":625,"credits":292,"fit":28,"zoom":29,"focalPoint":626,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},201895,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightbackplanestructure.jpg?w=300","James Webb Space Telescope Flight Backplane Structure","Engineers at ATK work on the now-completed center section of the \"backplane\" support structure that will hold Webb's mirror segments",{"x":31,"y":31},{"id":628,"url":629,"alt":630,"caption":631,"credits":632,"fit":28,"zoom":29,"focalPoint":633,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},201891,"https://science.nasa.gov/wp-content/uploads/2023/09/21062763828-34aed63352-b.jpg?w=300","James Webb Space Telescope Telescope Structure Arrival","Images from our exciting week in August - opening the shipping crate containing the James Webb Space Telescope's flight backplane,...","Maggie Masetti",{"x":31,"y":31},{"id":635,"url":636,"alt":637,"caption":638,"credits":263,"fit":28,"zoom":29,"focalPoint":639,"parallax":32,"detail_link":9,"contentType":33,"width":477,"height":34},201886,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-flighttelescopestructure.jpg?w=216","NASA's James Webb Space Telescope Structure Stands Tall","The flight structure of NASA's James Webb Space Telescope was standing tall on a platform in the cleanroom at NASA's...",{"x":31,"y":31},{"id":641,"url":642,"alt":643,"caption":644,"credits":16,"fit":28,"zoom":29,"focalPoint":645,"parallax":32,"detail_link":646,"contentType":33,"width":34,"height":50},201848,"https://science.nasa.gov/wp-content/uploads/2023/09/isim-overview.jpg?w=300","ISIM Components within the Observatory","ISIM's three regions.",{"x":31,"y":31},"https://science.nasa.gov/image-detail/isim-overview/",{"id":648,"url":649,"alt":650,"caption":651,"credits":16,"fit":28,"zoom":29,"focalPoint":652,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":653},201811,"https://science.nasa.gov/wp-content/uploads/2023/09/jwst-back-view.jpg?w=300","JWST Back view","The back view of James Webb Telescope",{"x":31,"y":31},228,{"id":655,"url":656,"alt":657,"caption":658,"credits":263,"fit":28,"zoom":29,"focalPoint":659,"parallax":32,"detail_link":9,"contentType":33,"width":392,"height":34},201800,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-webbtelescopesuccessfullyinstalled.jpg?w=224","ISIM being installed on webb","A rare view of the instruments being lowered into the Webb telescope at NASA/Goddard. Webb's science instruments were installed in...",{"x":31,"y":31},{"id":661,"url":662,"alt":663,"caption":664,"credits":242,"fit":28,"zoom":29,"focalPoint":665,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":563},201779,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-kaptonsunshield.jpg?w=300","Kapton for the Sunshield","A piece of Kapton showing ripstop seaming.",{"x":31,"y":31},{"id":667,"url":668,"alt":669,"caption":670,"credits":292,"fit":28,"zoom":29,"focalPoint":671,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},201777,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-sunshieldstacksup.jpg?w=300","NASA's Webb Sunshield Stacks Up to Test!","The Sunshield on NASA's James Webb Space Telescope is the largest part of the observatory—five layers of thin membrane that...",{"x":31,"y":31},{"id":673,"url":674,"alt":675,"caption":676,"credits":292,"fit":28,"zoom":29,"focalPoint":677,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},201773,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-finalsunshieldlayerimage.jpg?w=300","Final Sunshield Layer Completed for NASA’s James Webb Space Telescope","The layers work together to reduce the temperatures between the hot and cold sides of the observatory by approximately 570...",{"x":31,"y":31},{"id":679,"url":680,"alt":681,"caption":682,"credits":370,"fit":28,"zoom":29,"focalPoint":683,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":684},201768,"https://science.nasa.gov/wp-content/uploads/2023/09/sunshieldcrosssection.jpg?w=300","Graphic titled \"Cross-Section of Webb's Five-Layer Sunshield\" that demonstrates how the layers block the heat of the sun from getting through to the cold side of the telescope.","Diagram of Cross-Section of Webb's Five-Layer Sunshield.",{"x":31,"y":31},277,{"id":686,"url":687,"alt":688,"caption":689,"credits":292,"fit":28,"zoom":29,"focalPoint":690,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},201764,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-flightsunshield.jpg?w=300","The Flight Sunshield at Northrop Grumman","Stretched out like a silver kite, the five-layer sunshield for NASA’s James Webb Space Telescope sits in a cleanroom at...",{"x":31,"y":31},{"id":692,"url":693,"alt":694,"caption":695,"credits":696,"fit":28,"zoom":29,"focalPoint":697,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},198945,"https://science.nasa.gov/wp-content/uploads/2023/09/4812542975-300eec0c09-b.jpg?w=300","A team of engineers and technicians put Webb telescope though Mirror Segment Cryogenic Testing","A team of engineers and technicians from NASA and Ball Aerospace & Technologies Corp. of Boulder, Colo., prepare to load...","NASA/MSFC",{"x":31,"y":31},{"id":699,"url":700,"alt":701,"caption":702,"credits":703,"fit":28,"zoom":29,"focalPoint":704,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},198939,"https://science.nasa.gov/wp-content/uploads/2023/09/4812540849-fc3d96adec-k.jpg?w=300","Primary Mirror Segment Cryogenic Testing","Engineers from Ball Aerospace inspect the first James Webb Space Telescope mirror segment upon its arrival at Marshall Space Flight...","NASA/MSFC, E. Given",{"x":31,"y":31},{"id":706,"url":707,"alt":708,"caption":709,"credits":710,"fit":28,"zoom":29,"focalPoint":711,"parallax":32,"detail_link":712,"contentType":33,"width":34,"height":713},198931,"https://science.nasa.gov/wp-content/uploads/2023/09/5890960025-42fefef802-b.jpg?w=300","This image shows the four different types of mirrors on the Webb telescope.","The James Webb Space Telescope's Mirrors","NASA/Ball Aerospace/Tinsley",{"x":31,"y":31},"https://science.nasa.gov/image-detail/5890960025-42fefef802-b/",191,{"id":715,"url":716,"alt":717,"caption":718,"credits":719,"fit":28,"zoom":29,"focalPoint":720,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},198927,"https://science.nasa.gov/wp-content/uploads/2023/09/mirror32.jpg?w=300","Jame Webb's Gold-coated primary mirror EDU","The engineering design unit primary mirror segment (flight spare) coated in gold by Quantum Coating Incorporated.","Drew Noel",{"x":31,"y":31},{"id":722,"url":723,"alt":724,"caption":724,"credits":16,"fit":28,"zoom":29,"focalPoint":725,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},198920,"https://science.nasa.gov/wp-content/uploads/2023/09/mirror44.jpg?w=300","An engineer stands in front of the gold-coated primary mirror EDU",{"x":31,"y":31},{"id":727,"url":728,"alt":729,"caption":730,"credits":16,"fit":28,"zoom":29,"focalPoint":731,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},198914,"https://science.nasa.gov/wp-content/uploads/2023/09/new2.jpg?w=300","Gold-coated primary mirror EDU","The secondary mirror went through a similar process - here it is after being gold-coated by Quantum Coating Incorporated.",{"x":31,"y":31},{"id":733,"url":734,"alt":735,"caption":736,"credits":69,"fit":28,"zoom":29,"focalPoint":737,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},198913,"https://science.nasa.gov/wp-content/uploads/2023/09/8026703960-8fdf7c5c95-3k.jpg?w=300","Technicians and scientists are part of the Flight Mirror Segment Inspection","Technicians and scientists check out one of the Webb telescope's first two flight mirrors in the clean room at NASA's...",{"x":31,"y":31},{"id":739,"url":740,"alt":741,"caption":742,"credits":743,"fit":28,"zoom":29,"focalPoint":744,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":63},198911,"https://science.nasa.gov/wp-content/uploads/2023/09/8230734578-b082ab8b59-4k.jpg?w=300","Webb Telescope Mirror Canisters","Four of the finished mirrors that will fly aboard NASA's James Webb Space Telescope arrived at NASA's Goddard Space Flight...","NASA/Desiree Stover",{"x":31,"y":31},{"id":746,"url":747,"alt":748,"caption":749,"credits":743,"fit":28,"zoom":29,"focalPoint":750,"parallax":32,"detail_link":9,"contentType":33,"width":79,"height":34},198909,"https://science.nasa.gov/wp-content/uploads/2023/09/22349081524-f618215b4a-k.jpg?w=200","Lifting the James Webb Space Telescope inside cleanroom","Engineers and technicians moved the James Webb Space Telescope structure inside the clean room at NASA's Goddard Space Flight Center...",{"x":31,"y":31},{"id":752,"url":753,"alt":754,"caption":755,"credits":263,"fit":28,"zoom":29,"focalPoint":756,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":757},198908,"https://science.nasa.gov/wp-content/uploads/2023/09/23096804146-faf8ab3bf3-3k.jpg?w=300","James Webb Space Telescope Structure Poised for Mirror Assembly","Inside the massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope's telescope...",{"x":31,"y":31},226,{"id":759,"url":760,"alt":761,"caption":762,"credits":263,"fit":28,"zoom":29,"focalPoint":763,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},198907,"https://science.nasa.gov/wp-content/uploads/2023/09/24877166436-22dfbb89fe-b.jpg?w=300","The last James Webb Space Telescope Primary Mirror Segment","Inside a massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team...",{"x":31,"y":31},{"id":765,"url":766,"alt":767,"caption":768,"credits":263,"fit":28,"zoom":29,"focalPoint":769,"parallax":32,"detail_link":9,"contentType":33,"width":378,"height":34},198900,"https://science.nasa.gov/wp-content/uploads/2023/09/26407128930-326592754e-k.jpg?w=209","An image \"Goldeneye\" view of James Webb Telescope","The gold-covered primary mirrors of the James Webb Space Telescope, revealed in the cleanroom at NASA Goddard.",{"x":31,"y":31},{"id":771,"url":772,"alt":773,"caption":774,"credits":743,"fit":28,"zoom":29,"focalPoint":775,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":776},198892,"https://science.nasa.gov/wp-content/uploads/2023/09/26602405532-980d7f8d4e-b.jpg?w=300","An overhead image of the golden James Webb Space Telescope, with its secondary mirror booms stowed","Here's a view from overhead of the golden James Webb Space Telescope, with its secondary mirror booms stowed. This is...",{"x":31,"y":31},262,{"id":778,"url":779,"alt":780,"caption":781,"credits":743,"fit":28,"zoom":29,"focalPoint":782,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":165},198887,"https://science.nasa.gov/wp-content/uploads/2023/09/33433274343-2b10df67ed-3k.jpg?w=300","NASA technicians lifted the telescope using a crane and moved it inside a clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.","James Webb Space Telescope Mirror Seen in Full Bloom",{"x":31,"y":31},{"id":784,"url":785,"alt":786,"caption":787,"credits":263,"fit":28,"zoom":29,"focalPoint":788,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":789},198885,"https://science.nasa.gov/wp-content/uploads/2023/09/38544426831-8aec6ac99c-k.jpg?w=300","Webb sitting inside Chamber A after it completed cryogenic testing.","NASA’s James Webb Space Telescope sits inside Chamber A at NASA’s Johnson Space Center in Houston after having completed its...",{"x":31,"y":31},213,{"id":791,"url":792,"alt":793,"caption":794,"credits":795,"fit":28,"zoom":29,"focalPoint":796,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},198883,"https://science.nasa.gov/wp-content/uploads/2023/09/4812404931-1b4fb540e1-3k.jpg?w=240","Polished engineering design unit mirror at SSG/Tinsley.","Primary Mirror Segment Engineering Design Unit","SSG/Tinsley",{"x":31,"y":31},{"id":798,"url":799,"alt":800,"caption":801,"credits":802,"fit":28,"zoom":29,"focalPoint":803,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":757},198881,"https://science.nasa.gov/wp-content/uploads/2023/09/4813015114-41a399e1e2-3k.jpg?w=300","Primary Mirror Segment Blank","A James Webb Space Telescope primary mirror segment blank. This image shows the back of the mirror blank, which is...","Axsys Technologies",{"x":31,"y":31},{"id":805,"url":806,"alt":807,"caption":808,"credits":16,"fit":28,"zoom":29,"focalPoint":809,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":757},198880,"https://science.nasa.gov/wp-content/uploads/2023/09/mirrorstory-blank2.jpg?w=300","An image of James Webb's Mirror Blank","The front of an unpolished mirror blank.",{"x":31,"y":31},{"id":811,"url":812,"alt":382,"caption":383,"credits":16,"fit":28,"zoom":29,"focalPoint":813,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":814},198878,"https://science.nasa.gov/wp-content/uploads/2023/09/tech3.jpg?w=300",{"x":31,"y":31},120,{"id":816,"url":817,"alt":818,"caption":819,"credits":16,"fit":28,"zoom":29,"focalPoint":820,"parallax":32,"detail_link":9,"contentType":33,"width":821,"height":822},198805,"https://science.nasa.gov/wp-content/uploads/2023/09/beryllium.jpg?w=288","An image of a piece of beryllium that is the size of a marble","A marble-sized piece of Beryllium.",{"x":31,"y":31},288,282,{"id":824,"url":825,"alt":826,"caption":827,"credits":828,"fit":28,"zoom":29,"focalPoint":829,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":172},198804,"https://science.nasa.gov/wp-content/uploads/2023/09/13291410214-ae2a9dcea2-h.jpg?w=300","The Anatomy of a JWST Mirror","These diagrams show the back of the mirrors and the actuators.","ASU/NASA",{"x":31,"y":31},{"id":831,"url":832,"alt":833,"caption":834,"credits":828,"fit":28,"zoom":29,"focalPoint":835,"parallax":32,"detail_link":9,"contentType":33,"width":836,"height":34},198803,"https://science.nasa.gov/wp-content/uploads/2023/09/13291045605-6f989b077b-c.jpg?w=232","An image of the the back of a JWST mirror","Diagram of the anatomy of a James Webb Space Telescope Mirror.",{"x":31,"y":31},232,{"id":838,"url":839,"alt":840,"caption":841,"credits":842,"fit":28,"zoom":29,"focalPoint":843,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},198802,"https://science.nasa.gov/wp-content/uploads/2023/09/6153112843-f89e60437a-b.jpg?w=300","The photos show the flight version of every mirror on the telescope! mirrors","Each of Webb's mirrors has an individual designation. A, B, or C denotes which of the three mirror prescriptions a...","James Webb Telescope",{"x":31,"y":31},{"id":845,"url":846,"alt":847,"caption":848,"credits":842,"fit":28,"zoom":29,"focalPoint":849,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":850},198801,"https://science.nasa.gov/wp-content/uploads/2023/09/webbb-ote3-1.jpg?w=300","JWST mirror assembly segment","The different colors denote one of three different optical prescriptions for Webb's mirror.",{"x":31,"y":31},245,{"id":852,"url":853,"alt":854,"caption":855,"credits":263,"fit":28,"zoom":29,"focalPoint":856,"parallax":32,"detail_link":9,"contentType":33,"width":789,"height":34},198799,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-27951127644-88038e502f-b.jpg?w=213","webb's primary mirror with one wing folded back.","The James Webb Space Telescope is shown with one of its two \"wings\" folded. Each wing holds three of its...",{"x":31,"y":31},{"id":858,"url":859,"alt":860,"caption":861,"credits":842,"fit":28,"zoom":29,"focalPoint":862,"parallax":32,"detail_link":863,"contentType":33,"width":34,"height":864},198796,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwst-hstprimarymirrors.jpg?w=300","JWST and Hubble mirror comparison","JWST Primary mirror compared to Hubble Primary Mirror",{"x":31,"y":31},"https://science.nasa.gov/image-detail/webb-jwst-hstprimarymirrors/",203,{"id":866,"url":867,"alt":868,"caption":869,"credits":263,"fit":28,"zoom":29,"focalPoint":870,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},198757,"https://science.nasa.gov/wp-content/uploads/2023/09/webb-jwstprimarymirror.jpg?w=300","A image of James Webb Space Telescope's primary mirror at NASA Goddard.","Engineers Matt Macias and Eve Woolridge take a close look at the James Webb Space Telescope's primary mirror at NASA...",{"x":31,"y":31},{"id":872,"url":873,"alt":874,"caption":875,"credits":263,"fit":28,"zoom":29,"focalPoint":876,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},57951,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51172747193-306f3ddb5d-6k-jpg.webp?w=300","Webb’s Golden Mirror Wings Open","The world’s most powerful space science telescope has opened its primary mirror for the last time on Earth.",{"x":31,"y":31},{"id":878,"url":879,"alt":880,"caption":881,"credits":263,"fit":28,"zoom":29,"focalPoint":882,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":71},57949,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49721714093-64ca33fce8-6k-jpg.webp?w=300","NASA’s James Webb Space Telescope Full Mirror Deployment a Success","In a recent test, NASA’s James Webb Space Telescope fully deployed its primary mirror into the same configuration it will...",{"x":31,"y":31},{"id":884,"url":885,"alt":886,"caption":887,"credits":263,"fit":28,"zoom":29,"focalPoint":888,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":889},57945,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51102384635-eba9e72372-b-jpg.webp?w=300","Engineers working on NASA’s James Webb Space Telescope","During the sunshield folding process for the James Webb Space Telescope, a team of technicians carefully fold each layer in...",{"x":31,"y":31},221,{"id":891,"url":892,"alt":893,"caption":881,"credits":16,"fit":28,"zoom":29,"focalPoint":894,"parallax":32,"detail_link":9,"contentType":33,"width":889,"height":34},57943,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49722253141-92fd03d9d0-5k-jpg.webp?w=221","An engineer looks up at the James Webb Space Telescope's Folding MIrrors",{"x":31,"y":31},{"id":896,"url":897,"alt":898,"caption":899,"credits":263,"fit":28,"zoom":29,"focalPoint":900,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":901},57941,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-21e71df282-6k-jpg.webp?w=300","James Webb Space Telescope Assembled Observatory Full Mirror Deployment Test","What’s the best way to make a really powerful telescope? Build a big mirror! The James Webb Space Telescope has...",{"x":31,"y":31},194,{"id":903,"url":904,"alt":905,"caption":906,"credits":907,"fit":28,"zoom":29,"focalPoint":908,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":909},57733,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7986258321-27388cc857-3k-jpg.webp?w=300","An image of the powerful primary mirrors of the James Webb Space Telescope","The powerful primary mirrors of the James Webb Space Telescope will be able to detect the light from distant galaxies....","Ball Aerospace",{"x":31,"y":31},252,{"id":911,"url":912,"alt":913,"caption":914,"credits":915,"fit":28,"zoom":29,"focalPoint":916,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57731,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4808870003-8558a2628a-k-jpg.webp?w=300","A Engineer looks over one of the James Webb Space Telescope's primary mirror segments.","This is a photo of one of the James Webb Space Telescope's primary mirror segments coated with gold by Quantum...","Photo by Drew Noel",{"x":31,"y":31},{"id":918,"url":919,"alt":920,"caption":921,"credits":922,"fit":28,"zoom":29,"focalPoint":923,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57730,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-4977143360-6b251e58d3-4k-jpg.webp?w=300","An engineer over looks the Gold-coated Primary Mirror Segment of the James Webb Telescope.","Ball Aerospace optical technician Scott Murray inspects the first gold primary mirror segment, a critical element of NASA's James Webb...","NASA/MSFC/David Higginbotham",{"x":31,"y":31},{"id":925,"url":926,"alt":927,"caption":928,"credits":263,"fit":28,"zoom":29,"focalPoint":929,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":614},57729,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25003831358-97389ca971-4k-jpg.webp?w=300","Webb Telescope Emerges from Chamber A After Cryogenic Testing.","NASA’s James Webb Space Telescope, or Webb, emerged from Chamber A at NASA’s Johnson Space Center in Houston on Dec....",{"x":31,"y":31},{"id":931,"url":932,"alt":933,"caption":934,"credits":935,"fit":28,"zoom":29,"focalPoint":936,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57728,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51747316505-75f1e6ade5-3k-jpg.webp?w=300","Engineer work on as Webb Placed on Top of Ariane 5","On Saturday, Dec. 11, NASA’s James Webb Space Telescope was secured on top of the Ariane 5 rocket that will...","ESA-M.Pedoussaut",{"x":31,"y":31},{"id":938,"url":939,"alt":940,"caption":941,"credits":263,"fit":28,"zoom":29,"focalPoint":942,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":35},57727,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732869408-2c9611ec17-6k-jpg.webp?w=300","NASA’s Webb Sunshield Successfully Unfolds and Tensions in Final Tests","Webb is now in its final series of deployment and checkout tests before the observatory is packed for shipment to...",{"x":31,"y":31},{"id":944,"url":945,"alt":940,"caption":946,"credits":263,"fit":28,"zoom":29,"focalPoint":947,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":294},57726,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50732853538-28658a3877-6k-jpg.webp?w=300","A fully assembled Webb Telescope, propped by support structures, takes up the space inside the Northrop Grumman cleanroom. In the...",{"x":31,"y":31},{"id":949,"url":950,"alt":951,"caption":952,"credits":263,"fit":28,"zoom":29,"focalPoint":953,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},57725,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50426913558-58563d1ad5-6k-jpg.webp?w=300","NASA’s James Webb Space Telescope Completes Environmental Testing","With the completion of its latest series of milestone tests, NASA’s James Webb Space Telescope has now survived all of...",{"x":31,"y":31},{"id":955,"url":956,"alt":957,"caption":958,"credits":263,"fit":28,"zoom":29,"focalPoint":959,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57724,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-50068963377-b5c500f9e7-6k-jpg.webp?w=300","NASA’s James Webb Space Telescope View of October 2019 Sunshield Deployment Testing","This is an archival image from October 2019, when technicians successfully performed a critical test on Webb's 5-layer sunshield by...",{"x":31,"y":31},{"id":961,"url":962,"alt":963,"caption":964,"credits":263,"fit":28,"zoom":29,"focalPoint":965,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":206},57723,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48937048431-642c23a2ce-6k-jpg.webp?w=300","NASA’s James Webb Space Telescope Clears Critical Sunshield Deployment Testing","Technicians successfully performed a critical test on Webb's 5-layer sunshield by fully deploying each of its uniquely sized layers to...",{"x":31,"y":31},{"id":967,"url":968,"alt":963,"caption":964,"credits":263,"fit":28,"zoom":29,"focalPoint":969,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":244},57722,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48936479373-746104de37-5k-jpg.webp?w=300",{"x":31,"y":31},{"id":971,"url":972,"alt":973,"caption":638,"credits":263,"fit":28,"zoom":29,"focalPoint":974,"parallax":32,"detail_link":9,"contentType":33,"width":477,"height":34},57721,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-21442235656-c561ab5c00-4k-jpg.webp?w=216","An engineer stands on a ladder next to NASA's James Webb Space Telescope Structure.",{"x":31,"y":31},{"id":976,"url":977,"alt":978,"caption":979,"credits":263,"fit":28,"zoom":29,"focalPoint":980,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":981},57720,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-48636487393-d154695b07-4k-jpg.webp?w=300","NASA’s James Webb Space Telescope Has Been Assembled for the First Time","The most powerful and complex space telescope ever created by humankind has achieved its final form as a fully assembled...",{"x":31,"y":31},222,{"id":983,"url":984,"alt":985,"caption":986,"credits":263,"fit":28,"zoom":29,"focalPoint":987,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":265},57719,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-47543984121-1f8e7757bc-4k-jpg.webp?w=300","Engineers Prep James Webb Telescope for Integration","This image was taken at Northrop Grumman. The optical portion of the telescope is complete, seen here, and is being...",{"x":31,"y":31},{"id":989,"url":990,"alt":991,"caption":992,"credits":263,"fit":28,"zoom":29,"focalPoint":993,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},57718,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51773093465-1d63e2d5bb-4k-jpg.webp?w=240","Ariane 5 with James Webb Space Telescope Prelaunch","Arianespace's Ariane 5 rocket with NASA’s James Webb Space Telescope onboard, is seen at the launch pad, Thursday, Dec. 23,...",{"x":31,"y":31},{"id":995,"url":996,"alt":997,"caption":998,"credits":263,"fit":28,"zoom":29,"focalPoint":999,"parallax":32,"detail_link":9,"contentType":33,"width":1000,"height":34},57717,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-87152c7a95-6k-jpg.webp?w=235","Engineers look on as James Webb’s Golden Mirror Wings Open One Last Time on Earth.","As part of the NASA’s James Webb Space Telescope’s final tests, the 6.5 meter (21 feet 4 inch) mirror was...",{"x":31,"y":31},235,{"id":1002,"url":1003,"alt":1004,"caption":1005,"credits":263,"fit":28,"zoom":29,"focalPoint":1006,"parallax":32,"detail_link":9,"contentType":33,"width":789,"height":34},57716,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-23097556825-c816358f6c-4k-jpg.webp?w=213","James Webb Space Telescope 'Wings' Successfully Deployed","Recently inside the clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland, engineers successfully completed two deployments for...",{"x":31,"y":31},{"id":1008,"url":1009,"alt":1010,"caption":1011,"credits":263,"fit":28,"zoom":29,"focalPoint":1012,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},57715,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51770260088-d9d2a9b44a-6k-jpg.webp?w=240","Prelaunch of Ariane 5 with James Webb Space Telescope","Arianespace's Ariane 5 rocket with NASA’s James Webb Space Telescope onboard, is seen in the final assembly building ahead of...",{"x":31,"y":31},{"id":1014,"url":1015,"alt":1016,"caption":347,"credits":348,"fit":28,"zoom":29,"focalPoint":1017,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":1018},57714,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51787852294-3510ac5a76-3k-jpg.webp?w=300","James Webb Space Telescope Launch",{"x":31,"y":31},273,{"id":1020,"url":1021,"alt":1022,"caption":1023,"credits":292,"fit":28,"zoom":29,"focalPoint":1024,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57713,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-7509965680-bf41137c9f-3k-jpg.webp?w=300","A technician examines the backplane pathfinder","A technician examines the backplane pathfinder – a flight-like model of the center section of the Webb telescope backplane used...",{"x":31,"y":31},{"id":1026,"url":1027,"alt":1016,"caption":1028,"credits":263,"fit":28,"zoom":29,"focalPoint":1029,"parallax":32,"detail_link":9,"contentType":33,"width":1030,"height":34},57712,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775043129-8dd0d9fe6a-4k-jpg.webp?w=237","James Webb Space Telescope Launch onboard, Saturday, Dec. 25, 2021, from the ELA-3 Launch Zone of Europe’s Spaceport at the...",{"x":31,"y":31},237,{"id":1032,"url":1033,"alt":1034,"caption":1035,"credits":69,"fit":28,"zoom":29,"focalPoint":1036,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":385},57371,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-11073010005-19db442a2e-h-jpg.webp?w=300","Webb Telescope Crew Flexes Robotic Arm at NASA","The robotic arm lifts and lowers a golden James Webb Space Telescope flight spare primary mirror segment onto a test...",{"x":31,"y":31},{"id":1038,"url":1039,"alt":1040,"caption":1041,"credits":1042,"fit":28,"zoom":29,"focalPoint":1043,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":35},57368,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51775886252-e7186832c2-k-jpg.webp?w=300","Last Glimpse of the James Webb Space Telescope before it goes deep into space.","Humanity’s final look at the James Webb Space Telescope as it heads into deep space.","Arianespace, ESA, NASA, CSA, CNES",{"x":31,"y":31},{"id":1045,"url":1046,"alt":761,"caption":762,"credits":263,"fit":28,"zoom":29,"focalPoint":1047,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":50},57363,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-24877166436-22dfbb89fe-b-jpg.webp?w=300",{"x":31,"y":31},{"id":1049,"url":1050,"alt":1016,"caption":347,"credits":348,"fit":28,"zoom":29,"focalPoint":1051,"parallax":32,"detail_link":9,"contentType":33,"width":151,"height":34},57362,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51786411427-ba38545d1c-3k-jpg.webp?w=247",{"x":31,"y":31},{"id":1053,"url":1054,"alt":1055,"caption":1056,"credits":263,"fit":28,"zoom":29,"focalPoint":1057,"parallax":32,"detail_link":9,"contentType":33,"width":1058,"height":34},57357,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-25620157436-5520e42bcd-3k-jpg.webp?w=241","This photo shows the first time that the optically complete telescope (18 primary mirror segments, the secondary mirror, and the Aft Optics Subsystem which contains the tertiary mirror) was placed in a deployed configuration.","Walk Out of the James Webb Space Telescope Secondary Mirror Support Structure",{"x":31,"y":31},241,{"id":1060,"url":1061,"alt":1062,"caption":1063,"credits":263,"fit":28,"zoom":29,"focalPoint":1064,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},57356,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51769316551-7bfc8c02db-3k-jpg.webp?w=240","NASA, Partners Roll Out Webb to Launch Pad","NASA’s James Webb Space Telescope has begun its stately rollout to the Arianespace ELA-3 launch complex at Europe’s Spaceport located...",{"x":31,"y":31},{"id":1066,"url":1067,"alt":1068,"caption":1069,"credits":292,"fit":28,"zoom":29,"focalPoint":1070,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57355,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49035458207-aa40008608-4k-jpg.webp?w=300","This photo from Northrop Grumman's clean room in Redondo Beach, California shows the start of the integration process of the James Webb Space Telescope.","The telescope is seen hanging from a crane, in the process of being moved over the sunshield.",{"x":31,"y":31},{"id":1072,"url":1073,"alt":1074,"caption":1075,"credits":292,"fit":28,"zoom":29,"focalPoint":1076,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57354,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-41721616220-10f483b8b5-3k-jpg.webp?w=300","Technicians Lay NASA's Webb Sunshield Layers Flat for Inspection","Technicians and engineers working to ensure the soundness of NASA's James Webb Space Telescope manually lower its folded sunshield layers...",{"x":31,"y":31},{"id":1078,"url":1079,"alt":1080,"caption":898,"credits":263,"fit":28,"zoom":29,"focalPoint":1081,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":901},57304,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-49750061963-4e94e458e9-4k-jpg.webp?w=300","James Webb telescope duing its Deployment Test",{"x":31,"y":31},{"id":1083,"url":1084,"alt":1085,"caption":1086,"credits":1087,"fit":28,"zoom":29,"focalPoint":1088,"parallax":32,"detail_link":9,"contentType":33,"width":529,"height":34},57299,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51760302044-1e0a03f84e-4k-jpg.webp?w=212","Webb is encapsulated in its rocket fairing","On Friday 17 December, the Ariane 5 rocket fairing was closed around the James Webb Space Telescope. This protective fairing,...","ESA/CNES/Arianespace",{"x":31,"y":31},{"id":1090,"url":1091,"alt":1092,"caption":1093,"credits":263,"fit":28,"zoom":29,"focalPoint":1094,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},57296,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51756638171-98e80a94ff-4k-jpg.webp?w=240","This image shows the James Webb Space Telescope atop its launch vehicle","James Webb Space Telescope on Launcher",{"x":31,"y":31},{"id":1096,"url":1097,"alt":1098,"caption":1099,"credits":263,"fit":28,"zoom":29,"focalPoint":1100,"parallax":32,"detail_link":9,"contentType":33,"width":265,"height":34},57292,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51391443339-fbf125c184-3k-jpg.webp?w=240","Archival image of the James Webb Space Telescope's mirror","Archival Image: Webb's Mirror in the Goddard Cleanroom",{"x":31,"y":31},{"id":1102,"url":1103,"alt":1104,"caption":1105,"credits":263,"fit":28,"zoom":29,"focalPoint":1106,"parallax":32,"detail_link":9,"contentType":33,"width":789,"height":34},57290,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-27951127644-88038e502f-b-jpg.webp?w=213","The James Webb Space Telescope is shown with one of its two “wings\" folded.","The James Webb Space Telescope Folds Its Wings",{"x":31,"y":31},{"id":1108,"url":1109,"alt":1110,"caption":1111,"credits":263,"fit":28,"zoom":29,"focalPoint":1112,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":35},57287,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-32644295117-798f42b05b-4k-jpg.webp?w=300","An engineer looks over he James Webb Space Telescope","The James Webb Space Telescope is the first of its kind “open” style telescope that relies on innovative space shielding...",{"x":31,"y":31},{"id":1114,"url":1115,"alt":1116,"caption":869,"credits":263,"fit":28,"zoom":29,"focalPoint":1117,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":79},57284,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-26504730220-b61ed9fd19-k-jpg.webp?w=300","Low Light James Webb Space Telescope",{"x":31,"y":31},{"id":1119,"url":1120,"alt":1121,"caption":875,"credits":263,"fit":28,"zoom":29,"focalPoint":1122,"parallax":32,"detail_link":9,"contentType":33,"width":1000,"height":34},57283,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-51171849867-c23f910773-4k-jpg.webp?w=235","Webb’s Golden Mirror Wings Open One Last Time on Earth",{"x":31,"y":31},{"id":1124,"url":1125,"alt":1126,"caption":1127,"credits":16,"fit":28,"zoom":29,"focalPoint":1128,"parallax":32,"detail_link":9,"contentType":33,"width":34,"height":614},57098,"https://science.nasa.gov/wp-content/uploads/2023/06/webb-flickr-52210532302-c2f2d068a7-4k-jpg.webp?w=300","NASA’s Webb Reveals Steamy Atmosphere of Distant Planet in Detail","The James Webb Space Telescope captured this light curve of the brightness of WASP-96 b’s parent star over time. 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