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The Cosmic Shoreline: Do Exoplanet Atmospheres Survive Around M Dwarfs?

Author
Mike Breault
Published
Fri 29 Aug 2025
Episode Link
None

We explore how exoplanets keep or lose their atmospheres, the evolving 'cosmic shoreline' concept, and what JWST's look at Gliese 486 tells us about habitability around the most common stars. From escape velocity to stellar radiation, plus the tantalizing idea that atmospheres could be regrown or replenished—this episode maps the dynamic boundary between air and rock and discusses how this shapes our search for life beyond Earth.


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