Photo: In a world… 40 light years away, seven Earth-size planets orbit a sun called #TRAPPIST-1—three in its habitable zone. Read all about it:
http://go.nasa.gov/2lpBgDv
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NASA Jet Propulsion Laboratory
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In a world… 40 light years away, seven Earth-size planets orbit a sun called #TRAPPIST-1—three in its habitable zone. Read all about it:
http://go.nasa.gov/2lpBgDv
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