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Hubble Finds Earth-Sized Planet That May Be on Its Second Atmosphere – SciTechDaily

The Earth-sized exoplanet may have lost its original atmosphere but gained a second one through volcanism. Orbiting a red dwarf star 41 light-years away is an Earth-sized,…

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The Earth-sized exoplanet may have lost its original atmosphere but gained a second one through volcanism.
Orbiting a red dwarf star 41 light-years away is an Earth-sized, rocky exoplanet called GJ 1132 b. In some ways, GJ 1132 b has intriguing parallels to Earth, but in other ways it is very different. One of the differences is that its smoggy, hazy atmosphere contains a toxic mix of hydrogen, methane and hydrogen cyanide. Scientists using NASA’s Hubble Space Telescope have found evidence this…

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