22 feb 2017

NASA Announces a Treasure Chest of Earth-Like Planets Orbiting a Nearby Star

NASA has announced the discovery of a family of 7 Earth-like exoplanets that are orbiting a nearby star, an ultracool dwarf called TRAPPIST-1. The observations were made using NASA's Spitzer Space Telescope, building on earlier findings announced last year by a team from the University of Liège in Belgium, using observations from the TRAPPIST (Transiting Planets and Planetesimals Small Telescope) telescope at the La Silla Observatory in the Atacama desert, Chile. Not only is the TRAPPIST-1 system rich in earth-sized, rocky planets, ripe for comparatively easy study, but also three of these planets lie within their star's habitable zone.

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