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What is an explanation for the lack of “water worlds” in our solar system?
Whomever Temperature range for liquid water is the biggest consideration. Mercury and Venus are too hot, Jupiter and beyond are too cold.

Mars is colder than Earth, but does reach the temps necessary for liquid water. However, Mars is much smaller and doesn't have enough gravitational force to keep water at the surface.

There have been si...See More
May 9, 2016


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