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#exoplanets
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fromMail Online
4 days ago

Discovery of 10,000 alien worlds rewrites understanding of the cosmos

AI analysis of TESS data found 10,000+ new exoplanet candidates, including super-Earths, implying planets may be far more common than previously thought.
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fromNature
3 months ago

Core-envelope miscibility in sub-Neptunes and super-Earths - Nature

The population of super-Earths and sub-Neptunes, and the origin of the radius valley that separates these two classes of planets, is best explained by cores that are made of an Earth-like composition without a substantial amount of accreted ice8,9,10,11. For sub-Neptunes, the hydrogen-rich envelope overlies the rocky core for billions of years, whereas for super-Earths, the envelope may be retained for about 100 Myr (refs. ).
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