Scientists working on information from the Kepler Space Telescope led by SETI’s Susan Thompson have now identified 20 worlds where it is possible for life as we know it to exist.
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NASA Announces 7 Earth-Sized Planets
Seven Earth-sized planets have been observed by NASA’s Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone.