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Exoplanet Discoveries and Updates - Printable Version

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RE: Exoplanet Discoveries and Updates - sandcastles - 11-25-2022

Discovery Alert: Ultra-hot 'Super-Earth' Could Have No Atmosphere

https://exoplanets.nasa.gov/news/1713/discovery-alert-ultra-hot-super-earth-could-have-no-atmosphere/


RE: Exoplanet Discoveries and Updates - stevebowers - 11-26-2022

In the NoLWoCS system this would probably be a Chthonian type world, which has lost any volatiles it once may have had. There still could be a vaporous atmosphere on such a world, since several normally solid elements would be near or above their melting or boiling point.

This planet has a mass of about 1.3 Earths, so would have higher gravity than our planet - that means any atmosphere that does form will last longer, despite the temperature.