How many planets can fit into the habitable zone around a star? A group of scientists saw this question posed by a non-scientist on Reddit and decided to answer it.
from Space.com ift.tt/2dUIWeN
How many planets can fit into the habitable zone around a star? A group of scientists saw this question posed by a non-scientist on Reddit and decided to answer it.
from Space.com ift.tt/2dUIWeN
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