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Suppose there's a planet in the habitable zone of a class F star, a bit smaller than Earth and about the same density, with 80% of earth's gravity. How far away from the planet would a brown dwarf ...
Suppose there's a planet in the habitable zone of a class F star, a bit smaller than Earth and about the same density, with 80% of earth's gravity. How far away from the planet would a brown dwarf ...