@mashable instead of looking for exoplanets, why don't we people try finding ways to save mother Earth? Right?
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@mashable: Artist’s impression of the ultracool dwarf star TRAPPIST-1 from close to one of its planetshttps://youtube.com/watch?v=GsgebmHYUmg …Thanks. Twitter will use this to make your timeline better. UndoUndo
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