Hubble Finds Water Vapor On Distant Exoplanet

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”) within the habitable zone.

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Credit: NASA's Goddard Space Flight Center
Paul R. Morris (USRA): Lead Producer

Music credits: "Only Human" by Guillaume Bernard [SACEM]; Universal Production Music

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