Episode 16 - interstellar visitors, molten planets and faint, dark galaxies episode artwork

EPISODE · Jul 21, 2025 · 35 MIN

Episode 16 - interstellar visitors, molten planets and faint, dark galaxies

from StarXiv: a podcast discussing the latest astronomy papers

In this episode, Michelle and Payel squash in more papers than ever, as Michelle delves into a flurry of papers about new newly discovered interstellar comet: 3I/ATLAS. They also discuss what sets the metallicities of the faintest galaxies, how nitrogen enrichment relates to gas density, the molten properties of a new ultra-short period planets, and how to find 'dak' galaxies! Find the papers we discuss in this episode below!What Sets the Metallicity of Ultra-Faint Dwarfs? - Vance Wheeler et alCLASSY XIV: Nitrogen Enrichment Shaped by Gas Density and Feedback - Karla C. Arellano-Cordova et al.Where are all the dark galaxies? Predicting galaxy/halo locations from their bright neighbors - Alice Chen & Niayesh AfshordiAn Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf - Kaya Han Tas et al.From a Different Star: 3I/ATLAS in the context of the Åtautahi-Oxford interstellar object population model - Matthew J. Hopkins et al.Interstellar comet 3I/ATLAS: discovery and physical description - Bryce T. Bolin et al.Initial VLT/MUSE spectroscopy of the interstellar object 3I/ATLAS - Cyielle Opitom et al.Discovery and Preliminary Characterization of

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Episode 16 - interstellar visitors, molten planets and faint, dark galaxies

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