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category-features category-highlights tag-asteroids tag-near-earth-object tag-planetary-surfaces" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/14/monthly-roundup-preparing-for-a-potential-impact/" title="Monthly Roundup: Preparing for a Potential Impact" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/12/Dimorphos-351x185.jpg" class="image wp-post-image" alt="Dimorphos" title="Monthly Roundup: Preparing for a Potential Impact" itemprop="image" decoding="async" fetchpriority="high" /> </a> <div class="meta"> <time datetime="2025-02-14T12:00:45-05:00" itemprop="datePublished">14 February 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/14/monthly-roundup-preparing-for-a-potential-impact/" title="Monthly Roundup: Preparing for a Potential Impact" itemprop="url">Monthly Roundup: Preparing for a Potential Impact</a></h2> <div class="excerpt"><p>Will the asteroid 2024 YR4 crash into Earth in 2032? Maybe, but probably not. Today’s Monthly Roundup looks at three studies that advance our understanding of asteroid redirection — just in case.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13327 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-astrochemistry tag-dust tag-jwst tag-protoplanetary-disks" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/12/an-icy-disk-in-the-orion-nebula/" title="An Icy Disk in the Orion Nebula" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2025/02/trapeziumdk15b-351x185.jpg" class="image wp-post-image" alt="Trapezium Cluster" title="An Icy Disk in the Orion Nebula" itemprop="image" decoding="async" /> </a> <div class="meta"> <time datetime="2025-02-12T12:00:47-05:00" itemprop="datePublished">12 February 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/12/an-icy-disk-in-the-orion-nebula/" title="An Icy Disk in the Orion Nebula" itemprop="url">An Icy Disk in the Orion Nebula</a></h2> <div class="excerpt"><p>The heart of the Orion Nebula, near the massive young stars of the Trapezium Cluster, is a dramatic place for a star to grow up. New research examines JWST images of an unusual protoplanetary disk in this exceptional setting.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13204 post type-post status-publish format-standard has-post-thumbnail category-astrobites category-highlights tag-astrobiology tag-atmospheres tag-exoplanets tag-habitability" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/11/life-is-like-a-box-of-potential-biosignatures/" title="Life Is Like a Box of Potential Biosignatures" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/12/pia22097_hires.jpg__1240x510_q85_crop_subject_location-620254_subsampling-2-351x185.jpg" class="image wp-post-image" alt="Illustration of the seven known planets in the TRAPPIST-1 system" title="Life Is Like a Box of Potential Biosignatures" itemprop="image" decoding="async" /> </a> <div class="meta"> <time datetime="2025-02-11T12:00:11-05:00" itemprop="datePublished">11 February 2025 </time> <span class="subcat">Astrobites</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/11/life-is-like-a-box-of-potential-biosignatures/" title="Life Is Like a Box of Potential Biosignatures" itemprop="url">Life Is Like a Box of Potential Biosignatures</a></h2> <div class="excerpt"><p>Astrobites reports on how habitable exoplanets resembling Earth in its younger years might appear to the Habitable Worlds Observatory.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13201 post type-post status-publish format-standard has-post-thumbnail category-highlights category-images tag-hubble tag-shocks tag-supernova-remnants" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/10/featured-image-evolution-of-a-supernova-ring/" title="Featured Image: Evolution of a Supernova Ring" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/12/apjad812ef1_hr_crop-351x185.jpg" class="image wp-post-image" alt="eighteen images of supernova remnant SN 1987A's equatorial ring" title="Featured Image: Evolution of a Supernova Ring" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-02-10T12:00:20-05:00" itemprop="datePublished">10 February 2025 </time> <span class="subcat">Images</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/10/featured-image-evolution-of-a-supernova-ring/" title="Featured Image: Evolution of a Supernova Ring" itemprop="url">Featured Image: Evolution of a Supernova Ring</a></h2> <div class="excerpt"><p>A ring of bright “hotspots” adorns the remnant of the supernova SN 1987A. Now, researchers have analyzed two decades of Hubble Space Telescope observations to track the evolution of this ring.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13338 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-galaxy-mergers tag-simulations tag-star-formation" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/07/interaction-reactions-how-galaxy-encounters-influence-star-formation/" title="Interaction Reactions: How Galaxy Encounters Influence Star Formation" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2025/02/potw1742a-351x185.jpg" class="image wp-post-image" alt="galaxy merger" title="Interaction Reactions: How Galaxy Encounters Influence Star Formation" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-02-07T12:00:50-05:00" itemprop="datePublished">7 February 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/07/interaction-reactions-how-galaxy-encounters-influence-star-formation/" title="Interaction Reactions: How Galaxy Encounters Influence Star Formation" itemprop="url">Interaction Reactions: How Galaxy Encounters Influence Star Formation</a></h2> <div class="excerpt"><p>Across cosmic time, galaxies interact and merge with each other, causing disruptions in their behavior. Recent simulations explore the impacts interactions have on the star formation activity in interacting galaxies. </p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13311 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-binary-stars tag-brown-dwarfs tag-spectroscopy" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/05/a-new-groupie-in-regulus-entourage/" title="A New Groupie in Regulus’s Entourage?" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2025/01/image2hubble-jpg-351x185.jpeg" class="image wp-post-image" alt="Hubble Space Telescope image of stars in the Milky Way's galactic bulge" title="A New Groupie in Regulus’s Entourage?" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-02-05T12:00:30-05:00" itemprop="datePublished">5 February 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/05/a-new-groupie-in-regulus-entourage/" title="A New Groupie in Regulus’s Entourage?" itemprop="url">A New Groupie in Regulus’s Entourage?</a></h2> <div class="excerpt"><p>What’s the status of the brown dwarf discovered 12.6 light-years from Regulus: group member or unrelated neighbor? New research provides clues.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13186 post type-post status-publish format-standard has-post-thumbnail category-astrobites category-highlights tag-atmospheres tag-exoplanets tag-hot-jupiters tag-planet-formation" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/04/roasted-marshmallows-setting-fire-to-our-understanding-of-planet-formation/" title="Roasted Marshmallows Setting Fire to Our Understanding of Planet Formation?" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/08/eso2213a-351x185.jpg" class="image wp-post-image" alt="illustration of a hot Jupiter exoplanet orbiting close to its host star" title="Roasted Marshmallows Setting Fire to Our Understanding of Planet Formation?" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-02-04T12:00:01-05:00" itemprop="datePublished">4 February 2025 </time> <span class="subcat">Astrobites</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/04/roasted-marshmallows-setting-fire-to-our-understanding-of-planet-formation/" title="Roasted Marshmallows Setting Fire to Our Understanding of Planet Formation?" itemprop="url">Roasted Marshmallows Setting Fire to Our Understanding of Planet Formation?</a></h2> <div class="excerpt"><p>Astrobites reports on how spectroscopic observations of an exoplanet can help us understand its composition and formation history.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13244 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-gravitational-waves tag-neutron-stars" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/02/03/cracking-crusts-might-set-a-neutron-star-speed-limit/" title="Cracking Crusts Might Set a Neutron Star Speed Limit" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2023/10/eso1034a-351x185.jpg" class="image wp-post-image" alt="Artist's impression of a pulsar" title="Cracking Crusts Might Set a Neutron Star Speed Limit" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-02-03T12:00:24-05:00" itemprop="datePublished">3 February 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/02/03/cracking-crusts-might-set-a-neutron-star-speed-limit/" title="Cracking Crusts Might Set a Neutron Star Speed Limit" itemprop="url">Cracking Crusts Might Set a Neutron Star Speed Limit</a></h2> <div class="excerpt"><p>Neutron stars seem to rotate at only half their maximum rate. Can the splitting of a neutron star’s crust explain why?</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13218 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-binary-stars tag-mergers tag-stellar-evolution tag-transients tag-x-ray-binaries" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/01/31/testing-a-recipe-for-a-star-within-a-star/" title="Testing a Recipe for a Star Within a Star" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2025/01/TZO_Formation-351x185.jpg" class="image wp-post-image" alt="cartoon of Thorne–Żytkow object formation" title="Testing a Recipe for a Star Within a Star" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-01-31T12:00:53-05:00" itemprop="datePublished">31 January 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/01/31/testing-a-recipe-for-a-star-within-a-star/" title="Testing a Recipe for a Star Within a Star" itemprop="url">Testing a Recipe for a Star Within a Star</a></h2> <div class="excerpt"><p>A Thorne–Żytkow object is a star with a neutron star at its core. New work examines whether these theoretical objects could be made, as proposed, in X-ray binary systems.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13281 post type-post status-publish format-standard has-post-thumbnail category-features category-highlights tag-exoplanets tag-planet-formation" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/01/29/monthly-roundup-exo-neptunes-and-sub-neptunes/" title="Monthly Roundup: Exo-Neptunes and Sub-Neptunes" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/04/1802_428_exo-neptune_art_1600-351x185.jpg" class="image wp-post-image" alt="Illustration of a Neptune-like exoplanet" title="Monthly Roundup: Exo-Neptunes and Sub-Neptunes" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-01-29T12:03:49-05:00" itemprop="datePublished">29 January 2025 </time> <span class="subcat">Features</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/01/29/monthly-roundup-exo-neptunes-and-sub-neptunes/" title="Monthly Roundup: Exo-Neptunes and Sub-Neptunes" itemprop="url">Monthly Roundup: Exo-Neptunes and Sub-Neptunes</a></h2> <div class="excerpt"><p>The discovery of nearly 6,000 exoplanets has made it clear that not all planets in our galaxy resemble those in our solar system. Today’s Monthly Roundup introduces three studies involving planets entirely unlike our own.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13253 post type-post status-publish format-standard has-post-thumbnail category-astrobites category-highlights tag-moons tag-solar-system tag-solar-system-formation tag-trans-neptunian-objects" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/01/28/stellar-express-irregular-moon-delivery/" title="Stellar Express: Irregular Moon Delivery" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2025/01/Saturn_irregular_moon_orbits_2023-351x185.jpg" class="image wp-post-image" alt="Illustration of the orbits of moons of Saturn" title="Stellar Express: Irregular Moon Delivery" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-01-28T12:00:09-05:00" itemprop="datePublished">28 January 2025 </time> <span class="subcat">Astrobites</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/01/28/stellar-express-irregular-moon-delivery/" title="Stellar Express: Irregular Moon Delivery" itemprop="url">Stellar Express: Irregular Moon Delivery</a></h2> <div class="excerpt"><p>Astrobites reports on how a star flying by the early solar system could have delivered irregular moons to the giant planets.</p> </div> </article> </div> <div class="column one-third"> <article class="highlights post-13215 post type-post status-publish format-standard has-post-thumbnail category-highlights category-images tag-novae tag-transients tag-white-dwarfs" itemscope itemtype="http://schema.org/Article"> <a href="https://aasnova.org/2025/01/27/featured-image-not-a-supernova-remnant-but-a-nova-super-remnant/" title="Featured Image: Not a Supernova Remnant, But a Nova Super-Remnant" class="image-link"> <img width="351" height="185" src="https://aasnova.org/wp-content/uploads/2024/12/apjlad991ef4_hr-351x185.jpg" class="image wp-post-image" alt="T Coronae Borealis" title="Featured Image: Not a Supernova Remnant, But a Nova Super-Remnant" itemprop="image" decoding="async" loading="lazy" /> </a> <div class="meta"> <time datetime="2025-01-27T12:00:14-05:00" itemprop="datePublished">27 January 2025 </time> <span class="subcat">Images</span>   </div> <h2 itemprop="name"><a href="https://aasnova.org/2025/01/27/featured-image-not-a-supernova-remnant-but-a-nova-super-remnant/" title="Featured Image: Not a Supernova Remnant, But a Nova Super-Remnant" itemprop="url">Featured Image: Not a Supernova Remnant, But a Nova Super-Remnant</a></h2> <div class="excerpt"><p>In advance of T Coronae Borealis’s much-anticipated outburst, astronomers went searching for a super-remnant surrounding the system.</p> </div> </article> </div> </div> <div class="main-pagination"> <span aria-current="page" class="page-numbers current">1</span> <a 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