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Potentially Habitable Super-Earth Has Water Vapor in Atmosphere

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about 110 light-years from Earth. Story: [Water Vapor Detected in Atmosphere of an Alien World Nearly Twice the Size of Earth](https://www.space.com/water-vapor-in-atmosphere-of-alien-planet-k2-18b.html) Credit: Space.com / animations courtesy: ESA/Hubble/M. Kornmesser/L. L. Christensen/NASA/Kepler/Dana Berry / produced & edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)

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