Space/Science — HabitableZone

Space/Science » in reply to 2 or 3 times the *mass* of the earth

I'm sure there are dissenters

but the theory is that if the Earth is 71% water surface, a planet with 2-3 times Earth mass would coalesce with a more level surface and would have a lower percentage of land surface, assuming water is present in proportions equal to Earth.

I am interested in counter theories if you have any references.

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