Waspie_Dwarf Posted March 11, 2021 #1 Share Posted March 11, 2021 (IP: Staff) · Distant Planet May Be On Its Second Atmosphere, NASA's Hubble Finds Quote Scientists using NASA's Hubble Space Telescope have found evidence that a planet orbiting a distant star may have lost its atmosphere but gained a second one through volcanic activity. The planet, GJ 1132 b, is hypothesized to have begun as a gaseous world with a thick hydrogen blanket of atmosphere. Starting out at several times the diameter of Earth, this so-called "sub-Neptune" is believed to have quickly lost its primordial hydrogen and helium atmosphere due to the intense radiation of the hot, young star it orbits. In a short period of time, such a planet would be stripped down to a bare core about the size of Earth. That's when things got interesting. Read More: NASA/HubbleSite 3 Top Link to comment Share on other sites More sharing options...
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