Lava-Covered Planets Are Defying a Key Rule of Planetary Science
2 Articles
2 Articles
Lava-Covered Planets Are Defying a Key Rule of Planetary Science
Researchers developed a model showing how lava-covered planets close to their stars can hold onto their atmospheres, which could help guide the search for life beyond our solar system. Some planets orbit so close to their stars that intense radiation should strip away their atmospheres. Yet several of these scorching, lava-covered worlds still retain thick [...]
Hot, melted and still not airless: Some rocky exoplanets carry surprisingly thick atmospheres despite extreme star proximity. A new model explains this contradiction by a "cosmic sandbank": A long-lived magmaocean limits the gas supply so that atmospheric loss and outgassing can get into a balance over billions of years. Stanford (U.S.A.). For rock planets not only decides their distance from the [...] The article Why can some lava planets keep …
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