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.
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Visit the Glorious Trappist-1 System

Did you tune in for NASA’s big press conference today? Get excited, it’s a habitable-zone planet! Three of them, to be more precise. Goldilocks has sisters! After much speculation following the announcement of the announcement (it wasn’t ever going to be aliens, folks), NASA gleefully announced that the Spitzer Space …

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