The Hubble Space Telescope captured a sign of water vapor in the atmosphere of a distant exoplanet, according to an analysis of observations published last year in The Astrophysical Journal Letters. Exoplanet GJ 9827 d is about two times Earth’s diameter. It is also the smallest exoplanet observed by Hubble with evidence of a potentialContinue reading “Hubble finds signature of water vapor in exoplanet GJ 9827d’s atmosphere”
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Author: Space and Astronomy News
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