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  • NASA’s Hubble Finds Water Vapor on Habitable-Zone Exoplanet for 1st Time
    SIPAUSA31514319_000001
    NASA’s Hubble Finds Water Vapor on Habitable-Zone Exoplanet for 1st Time
    11/09/2019
    ESA/Hubble|M. Kornmesser/Cover I/SIPA


    This artist’s impression shows the planet K2-18b, it’s host star and an accompanying planet in this system. K2-18b is now the only super-Earth exoplanet known to host both water and temperatures that could support life. UCL researchers used archive data from 2016 and 2017 captured by the NASA/ESA Hubble Space Telescope and developed open-source algorithms to analyse the starlight filtered through K2-18b’s atmosphere. The results revealed the molecular signature of water vapour, also...