Hubble Finds Water Vapor On Distant Exoplanet (VIDEO)

NASA/Goddard Space Flight Center

Caption

With data from the Hubble Space Telescope, water vapor has been detected in the atmosphere of an exoplanet within the habitable zone of its host star. K2-18b, which is eight times the mass of Earth, is the only planet orbiting a star outside the solar system (or "exoplanet") known to have both water and temperatures that could support life. Watch on YouTube: https://www.youtube.com/watch?v=amOdtYv5G4E Download in HD: https://svs.gsfc.nasa.gov/13312

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NASA's Goddard Space Flight Center

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