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Read our latest product comparisons</a></div> <div class="center" id="main-content"> <div id="header"> <a href="/web/20150421025902/http://www.gizmag.com/" id="logo"></a> </div> <div id="pushdown" data-cb-ad-id="Pushdown"> <script type="text/javascript"> googletag.cmd.push(function() { googletag.display("pushdown"); }); </script> </div>  <div id="top_stories"> <ul> <li id="top_story0"> <a class="ts_img" href="/web/20150421025902/http://www.gizmag.com/siemens-world-record-electric-motor-aircraft/37048/" title="Siemens' world-record electric aircraft motor punches above its weight"></a> <div class="ts_title"> <a href="/web/20150421025902/http://www.gizmag.com/siemens-world-record-electric-motor-aircraft/37048/">Siemens' world-record electric aircraft motor punches above its weight</a> </div> </li> <li id="top_story1"> <a class="ts_img" href="/web/20150421025902/http://www.gizmag.com/12-inch-macbook-review/37076/" title="New MacBook review: Lighter than Air, but at a cost"></a> <div class="ts_title"> <a href="/web/20150421025902/http://www.gizmag.com/12-inch-macbook-review/37076/">New MacBook review: Lighter than Air, but at a cost</a> </div> </li> <li id="top_story2"> <a class="ts_img" href="/web/20150421025902/http://www.gizmag.com/high-energy-density-supercapacitor/37075/" title="New device combines the advantages of batteries and supercapacitors"></a> <div class="ts_title"> <a href="/web/20150421025902/http://www.gizmag.com/high-energy-density-supercapacitor/37075/">New device combines the advantages of batteries and supercapacitors</a> </div> </li> <li id="top_story3"> <a class="ts_img" href="/web/20150421025902/http://www.gizmag.com/volkswagen-sixth-generation-transporter-van/37033/" title="Volkswagen debuts sixth-generation Transporter van"></a> <div class="ts_title"> <a href="/web/20150421025902/http://www.gizmag.com/volkswagen-sixth-generation-transporter-van/37033/">Volkswagen debuts sixth-generation Transporter van</a> </div> </li> </ul> <div id="more_top_stories"> <a id="mts_img" href="/web/20150421025902/http://www.gizmag.com/top_stories/"></a> <a id="mts_txt" href="/web/20150421025902/http://www.gizmag.com/top_stories/">more top stories</a> </div> <div class="clear_both"></div> </div> <div id="content" class="narrow_content"> <h1>Space</h1> <div class="summary_item noback" data-article="37083"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/nasa-landsat-9-usgs/37083/">NASA plans LandSat 9, Earth's most high-tech selfie stick</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/eric-mack/">Eric Mack</a></div> <div class="date">April 20, 2015</div> </div> <div class="summary_details_right"> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/nasa-landsat-9-usgs/37083/pictures">3 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/nasa-landsat-9-usgs/37083/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/landsat9-5.jpg" title="A concept drawing of LandSat 9, which is scheduled to launch in 2023 (Image: NASA)" alt="A concept drawing of LandSat 9, which is scheduled to launch in 2023 (Image: NASA)"/> </a> <div class="summary"> <p> For over 40 years, <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/nasa-ldcm-landsat-8/26231/" target="_blank">Landsat</a> has quietly but consistently been taking images of the surface of the Earth, amassing an impressive collection of data about our planet. This month, NASA and the U.S. Geological Survey (USGS) announced that the effort would continue to span the generations, by moving forward with the development and planned launch of LandSat 9 in 2023.  <a href="/web/20150421025902/http://www.gizmag.com/nasa-landsat-9-usgs/37083/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37084"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/nasa-messenger-spacecraft-mercury-crash/37084/">NASA's MESSENGER spacecraft set to smash into the surface of Mercury</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/anthony-wood/">Anthony Wood</a></div> <div class="date">April 20, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/nasa-messenger-spacecraft-mercury-crash/37084/#comments">1 Comment</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/nasa-messenger-spacecraft-mercury-crash/37084/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/messenger-crash-mercury.jpg" title="Artist's impression of MESSENGER in orbit around Mercury (Image: NASA, JHU APL, Carnegie I..." alt="Artist's impression of MESSENGER in orbit around Mercury (Image: NASA, JHU APL, Carnegie I..."/> </a> <div class="summary"> <p> After over a decade of planetary exploration, NASA's MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) spacecraft is set to end its mission by smashing into the surface of Mercury. The collision will take place on April 30, with the probe traveling at a speed of roughly 8,750 mph (14,082 km/h).  <a href="/web/20150421025902/http://www.gizmag.com/nasa-messenger-spacecraft-mercury-crash/37084/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37065"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/moon-origin-umd/37065/">Rocks reveal secret of Moon's formation</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/david-szondy/">David Szondy</a></div> <div class="date">April 19, 2015</div> </div> <div class="summary_details_right"> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/moon-origin-umd/37065/pictures">2 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/moon-origin-umd/37065/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/moon-origin-umd.jpg" title="Artist's impression of Theia colliding with Earth (Image: NASA/JPL)" alt="Artist's impression of Theia colliding with Earth (Image: NASA/JPL)"/> </a> <div class="summary"> <p> There are a number of ideas about where the Moon came from, but, based on orbital mechanics, the accepted theory is that about 150 million years after the Solar System formed some 4.6 billion years ago, the primordial Earth was struck by an object the size of Mars called Theia. Out of the debris of this massive impact, the Moon was formed. Scientists at the University of Maryland (UMD) have for the first time found evidence to support this theory by analyzing the isotopic “fingerprints” of rock samples brought back by the Apollo astronauts.  <a href="/web/20150421025902/http://www.gizmag.com/moon-origin-umd/37065/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="36979"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/ula-vulcan/36979/">ULA Vulcan launcher will return to Earth by helicopter</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/david-szondy/">David Szondy</a></div> <div class="date">April 18, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/ula-vulcan/36979/#comments">5 Comments</a></div> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/ula-vulcan/36979/pictures">10 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/ula-vulcan/36979/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/ula-vulcan.jpg" title="The Vulcan rocket will use a reusable booster engine configuration" alt="The Vulcan rocket will use a reusable booster engine configuration"/> </a> <div class="summary"> <p> The United Launch Alliance (ULA) has entered the reusable launcher race with its Next Generation Launch System (NGLS), also known as the Vulcan rocket. This replacement for the current generation of launch systems will incorporate a rocket engine assembly that jettisons from the first stage and is snared in mid-air by a helicopter after reentering the Earth's atmosphere  <a href="/web/20150421025902/http://www.gizmag.com/ula-vulcan/36979/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37062"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/laser-ablation-orbital-debris/37062/">Lasers could be used to zap orbital debris</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/ben-coxworth/">Ben Coxworth</a></div> <div class="date">April 17, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/laser-ablation-orbital-debris/37062/#comments">5 Comments</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/laser-ablation-orbital-debris/37062/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/laser-ablation-orbital-debris.jpg" title="A laser/telescope system may be able to de-orbit smaller pieces of orbital debris (Image: ..." alt="A laser/telescope system may be able to de-orbit smaller pieces of orbital debris (Image: ..."/> </a> <div class="summary"> <p> Orbital debris is increasingly becoming a hazard to satellites and other spacecraft, which is why various groups have proposed concepts such as <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/boeing-ballistic-gas/24403/" target="_blank">gas clouds</a>, <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/esa-nets-deorbit-space-junk/36796/" target="_blank">nets</a> and <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/space-sail-to-take-out-the-trash/11533/" target="_blank">sails</a> for collecting it. While those approaches could capture larger objects, the problem of smaller pieces of debris – which whiz around the Earth like bullets – would remain. That's why an international group of scientists is developing a system that could shoot those bits down with a laser.  <a href="/web/20150421025902/http://www.gizmag.com/laser-ablation-orbital-debris/37062/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37051"> <div class="summary_details"> <div class="sd_top"> <a class="article_label" href="/web/20150421025902/http://www.gizmag.com/features/">FEATURE</a> </div> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/feature-hubble-25th-anniversary/37051/">25 years in orbit: A celebration of the Hubble Space Telescope</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/anthony-wood/">Anthony Wood</a></div> <div class="date">April 17, 2015</div> </div> <div class="summary_details_right"> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/feature-hubble-25th-anniversary/37051/pictures">34 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/feature-hubble-25th-anniversary/37051/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/hubble-25th-anniversary-gallery.jpg" title="The Hubble Space Telescope, imaged in orbit by the crew of the Space Shuttle Atlantis in 2..." alt="The Hubble Space Telescope, imaged in orbit by the crew of the Space Shuttle Atlantis in 2..."/> </a> <div class="summary"> <p> April 24 will mark a significant milestone in the life of one of mankind's greatest scientific instruments – the 25-year anniversary of the launch of the Hubble Space Telescope. This bus-sized piece of scientific equipment has become a household name, thanks to the incredible scientific insights and iconic images it has returned over the course of a quarter-century in low-Earth orbit. Join us as we celebrate the history and achievements of NASA's flagship space telescope.  <a href="/web/20150421025902/http://www.gizmag.com/feature-hubble-25th-anniversary/37051/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37057"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/vlt-hubble-spheroid-star-formation-shutdown/37057/">Hubble and VLT team up to reveal giant galaxies shutting down from the inside out </a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/chris-wood/">Chris Wood</a></div> <div class="date">April 17, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/vlt-hubble-spheroid-star-formation-shutdown/37057/#comments">1 Comment</a></div> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/vlt-hubble-spheroid-star-formation-shutdown/37057/pictures">3 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/vlt-hubble-spheroid-star-formation-shutdown/37057/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/vlt-hubble-spheroid-galaxy-shutdown.jpg" title="Observations from the VLT and Hubble telescopes have revealed that star formation in spher..." alt="Observations from the VLT and Hubble telescopes have revealed that star formation in spher..."/> </a> <div class="summary"> <p> Astronomers have used the ESO's <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/eso-vlt-quasar-alignment-large-scale-structure/34879/" target="_blank">Very Large Telescope (VLT)</a> in conjunction with the <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/hubble-space-telescope-andromeda-galaxy-15-billion-pixels/35728/" target="_blank">NASA/ESA Hubble Space Telescope</a> to reveal the secrets of how star formation shuts down in distant galaxies, just three billion years after the Big Bang. Focusing on huge, quiescent elliptical galaxies known as spheroids, the findings are expected to improve our understanding of the evolution of the Universe.  <a href="/web/20150421025902/http://www.gizmag.com/vlt-hubble-spheroid-star-formation-shutdown/37057/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37013"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/dark-matter-not-completely-dark/37013/">Dark matter may not be completely dark at all</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/eric-mack/">Eric Mack</a></div> <div class="date">April 15, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/dark-matter-not-completely-dark/37013/#comments">5 Comments</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/dark-matter-not-completely-dark/37013/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/dark-matter-eso.jpg" title="Galaxy cluster Abell 3827 (Image: ESO)" alt="Galaxy cluster Abell 3827 (Image: ESO)"/> </a> <div class="summary"> <p> New studies by astronomers are slowly throwing some light on dark matter, the invisible and mysterious stuff that scientists believe makes up much of the universe. For the first time, astronomers believe they've observed the interactions of dark matter via a factor other than the force of gravity.  <a href="/web/20150421025902/http://www.gizmag.com/dark-matter-not-completely-dark/37013/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37012"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/nasa-spitzer-microlensing-planet-discovery/37012/">Spitzer space telescope used to help spot one of the most distant known planets</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/chris-wood/">Chris Wood</a></div> <div class="date">April 15, 2015</div> </div> <div class="summary_details_right"> <div class="has_pictures"><a href="/web/20150421025902/http://www.gizmag.com/nasa-spitzer-microlensing-planet-discovery/37012/pictures">2 Pictures</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/nasa-spitzer-microlensing-planet-discovery/37012/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/nasa-spitzer-microlensing-planet-discovery.jpg" title="The newly-discovered planet lies 13,000 light-years away, towards the center of the Milky ..." alt="The newly-discovered planet lies 13,000 light-years away, towards the center of the Milky ..."/> </a> <div class="summary"> <p> The <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/spitzer-milky-way-panorama/31374/" target="_blank">NASA Spitzer Space Telescope</a> has teamed up with the Polish Optical Gravitational Lensing Experiment (OGLE)'s Warsaw Telescope at the Las Campanas Observatory in Chile to observe a distant gas giant located some 13,000 light-years away. The discovery will help improve our understanding of the distribution of planets throughout the Milky Way galaxy.  <a href="/web/20150421025902/http://www.gizmag.com/nasa-spitzer-microlensing-planet-discovery/37012/" class="readmore_link">Read More</a> </p> </div> </div> <div class="summary_item " data-article="37004"> <div class="summary_details"> <div class="clear_both"> <h2> <a href="/web/20150421025902/http://www.gizmag.com/dawn-ceres-visible-infrared-approach-map/37004/">Dawn's color map of Ceres suggests it was once an active body</a> </h2> <div class="summary_details_left"> <div>By <a href="/web/20150421025902/http://www.gizmag.com/author/chris-wood/">Chris Wood</a></div> <div class="date">April 15, 2015</div> </div> <div class="summary_details_right"> <div class="has_comments"><a href="/web/20150421025902/http://www.gizmag.com/dawn-ceres-visible-infrared-approach-map/37004/#comments">3 Comments</a></div> </div> </div> </div> <a class="noback hero_link" href="/web/20150421025902/http://www.gizmag.com/dawn-ceres-visible-infrared-approach-map/37004/"> <img src="https://web.archive.org/web/20150421025902im_/http://images.gizmag.com/hero/dawn-ceres-visible-infrared-color-map-2.jpg" title="The new imagery was captured prior to the probe establishing an orbit around the dwarf pla..." alt="The new imagery was captured prior to the probe establishing an orbit around the dwarf pla..."/> </a> <div class="summary"> <p> While <a href="https://web.archive.org/web/20150421025902/http://www.gizmag.com/dawn-ceres-arrival/36246/" target="_blank">establishing an orbit </a>around Ceres on March 6 was a significant milestone for Dawn, the spacecraft was able to gather some insightful information during its initial approach to the dwarf planet. During that phase of the mission, the probe mapped the surface of the body in visible and infrared light, with the colorful new imagery suggesting that Ceres may once have been an active body.  <a href="/web/20150421025902/http://www.gizmag.com/dawn-ceres-visible-infrared-approach-map/37004/" class="readmore_link">Read More</a> </p> </div> </div> <div id="pagination"> <div class="next_prev"> <span>1</span> <a href="/web/20150421025902/http://www.gizmag.com/space/2/">2</a> <a href="/web/20150421025902/http://www.gizmag.com/space/3/">3</a> <a href="/web/20150421025902/http://www.gizmag.com/space/4/">4</a> <a href="/web/20150421025902/http://www.gizmag.com/space/5/">5</a> <a href="/web/20150421025902/http://www.gizmag.com/space/2/" class="next_pagination">Next </a> » </div> </div> <div class="dotsontop">  <div id="search_form_bottom"> <form action="https://web.archive.org/web/20150421025902/http://www.gizmag.com/search/" id="cse-search-box-bottom"> <span class="title">Looking for something? 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