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New research places a limit on how much of the universe's most mysterious matter could be made up of tiny black holes.</p> <p>The post <a href="https://aasnova.org/2024/11/22/how-much-of-dark-matter-is-made-up-of-tiny-black-holes/">How Much of Dark Matter Is Made Up of Tiny Black Holes?</a> appeared first on <a href="https://aasnova.org">AAS Nova</a>.</p> </p> <div class="btn_wrap"> <a href="https://aasnova.org/2024/11/22/how-much-of-dark-matter-is-made-up-of-tiny-black-holes/?utm_source=rss&utm_medium=rss&utm_campaign=how-much-of-dark-matter-is-made-up-of-tiny-black-holes">Read More</a> </div> </div> </div> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <div class="reserch_item"> <div class="img_wrap"> <a href="https://aasnova.org/2024/11/20/charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b/?utm_source=rss&utm_medium=rss&utm_campaign=charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b"> <img width="702" height="542" src="https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-702x542.jpg" class="attachment-medium size-medium wp-post-image" alt="illustration of an M-dwarf star and its planet" decoding="async" loading="lazy" srcset="https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-702x542.jpg 702w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-260x201.jpg 260w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-768x593.jpg 768w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-600x464.jpg 600w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-1536x1187.jpg 1536w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-2048x1583.jpg 2048w, https://aasnova.org/wp-content/uploads/2024/11/jpegPIA21473-1320x1020.jpg 1320w" sizes="(max-width: 702px) 100vw, 702px" /> </a> </div> <div class="txt_block"> <h4><a href="https://aasnova.org/2024/11/20/charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b/?utm_source=rss&utm_medium=rss&utm_campaign=charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b">Charting the Cosmic Shoreline: Which Planets Have Atmospheres?</a></h4> <p> <p>New observations of the M-dwarf exoplanet Gliese 486b help astronomers map the location of the cosmic shoreline, which separates planets with atmospheres from those without.</p> <p>The post <a href="https://aasnova.org/2024/11/20/charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b/">Charting the Cosmic Shoreline: Which Planets Have Atmospheres?</a> appeared first on <a href="https://aasnova.org">AAS Nova</a>.</p> </p> <div class="btn_wrap"> <a href="https://aasnova.org/2024/11/20/charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b/?utm_source=rss&utm_medium=rss&utm_campaign=charting-the-cosmic-shoreline-which-planets-have-atmospheres-gl-486b">Read More</a> </div> </div> </div> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <div class="reserch_item"> <div class="img_wrap"> <a href="https://aasnova.org/2024/11/19/new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem/?utm_source=rss&utm_medium=rss&utm_campaign=new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem"> <img width="702" height="480" src="https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med-702x480.jpeg" class="attachment-medium size-medium wp-post-image" alt="Jellyfish galaxy ESO 137-001" decoding="async" loading="lazy" srcset="https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med-702x480.jpeg 702w, https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med-260x178.jpeg 260w, https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med-768x525.jpeg 768w, https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med-600x410.jpeg 600w, https://aasnova.org/wp-content/uploads/2024/10/heic1404a-med.jpeg 1202w" sizes="(max-width: 702px) 100vw, 702px" /> </a> </div> <div class="txt_block"> <h4><a href="https://aasnova.org/2024/11/19/new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem/?utm_source=rss&utm_medium=rss&utm_campaign=new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem">New Species of Dwarf Galaxy in the Galaxy Cluster Ecosystem?</a></h4> <p> <p>Astrobites reports on the potential discovery of a dark-matter-free dwarf galaxy hiding in the tentacle of a jellyfish galaxy.</p> <p>The post <a href="https://aasnova.org/2024/11/19/new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem/">New Species of Dwarf Galaxy in the Galaxy Cluster Ecosystem?</a> appeared first on <a href="https://aasnova.org">AAS Nova</a>.</p> </p> <div class="btn_wrap"> <a href="https://aasnova.org/2024/11/19/new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem/?utm_source=rss&utm_medium=rss&utm_campaign=new-species-of-dwarf-galaxy-in-the-galaxy-cluster-ecosystem">Read More</a> </div> </div> </div> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <div class="reserch_item"> <div class="img_wrap"> <a href="https://aasnova.org/2024/11/18/celebrating-175-years-of-the-astronomical-journal/?utm_source=rss&utm_medium=rss&utm_campaign=celebrating-175-years-of-the-astronomical-journal"> <img width="702" height="336" src="https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516-702x336.jpg" class="attachment-medium size-medium wp-post-image" alt="banner announcing the 175th anniversary of the Astronomical Journal" decoding="async" loading="lazy" srcset="https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516-702x336.jpg 702w, https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516-260x124.jpg 260w, https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516-768x368.jpg 768w, https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516-600x287.jpg 600w, https://aasnova.org/wp-content/uploads/2024/11/AJ175_AAS-Nova_1078x516.jpg 1078w" sizes="(max-width: 702px) 100vw, 702px" /> </a> </div> <div class="txt_block"> <h4><a href="https://aasnova.org/2024/11/18/celebrating-175-years-of-the-astronomical-journal/?utm_source=rss&utm_medium=rss&utm_campaign=celebrating-175-years-of-the-astronomical-journal">Celebrating 175 Years of The Astronomical Journal</a></h4> <p> <p><em>The Astronomical Journal</em> turns 175 this month — join us in celebrating the journal's impact and looking back on its history.</p> <p>The post <a href="https://aasnova.org/2024/11/18/celebrating-175-years-of-the-astronomical-journal/">Celebrating 175 Years of <em>The Astronomical Journal</em></a> appeared first on <a href="https://aasnova.org">AAS Nova</a>.</p> </p> <div class="btn_wrap"> <a href="https://aasnova.org/2024/11/18/celebrating-175-years-of-the-astronomical-journal/?utm_source=rss&utm_medium=rss&utm_campaign=celebrating-175-years-of-the-astronomical-journal">Read More</a> </div> </div> </div> </div> </div> </div> </div> </div></div></div></div><div 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