#jwst-observations

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#cosmic-dust #dust-formation #interstellar-medium #toi-561-b #exoplanet-atmospheres #atmospheric-retention
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fromBig Think
2 days ago

Starts With A Bang Podcast #126 - The origin of dust

Cosmic dust pervades the Universe, is observationally challenging, and its cosmic origins and evolution remain poorly understood despite identified sources and infrared signatures.
fromwww.scientificamerican.com
4 months ago

This Fiery Exoplanet Shouldn't Have an AtmosphereBut It Does

Astronomers found an atmosphere where they least expected itclinging to an exoplanet that's too small, too hot and too old to have air, at least in theory. James Webb Space Telescope (JWST) observations of the blazing-hot lava planet TOI-561 b suggest not only that it has a thick atmosphere but also that it may have had one for billions of years.
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