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The 7 alien planets orbiting TRAPPIST-1 are like peas in a pod

February 01, 2021
The 7 alien planets orbiting TRAPPIST-1 are like peas in a pod
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The seven rocky planets orbiting the red dwarf star TRAPPIST-1 have remarkably similar densities, suggesting they likely have similar compositions, too.



February 1, 2021 at 05:30PM
via Space.com read more...

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