Located 39 light-years away from Earth, TRAPPIST-1 is a relatively cool M-dwarf star with about 9 percent the mass of Earth's sun and about 12 percent its radius. This ultracool star is believed to host at least seven rocky planets that are about the...

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Tag(s) : #NASA, #alien, #space, #planets, #Trappist 1, #alien life, #exploration, #red dwarf