Subject: What causes the great variety in the planets' densities?
Date: Sat Feb 3 12:58:38 2001
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Area of science: Astronomy
I understand the planets are formed at the same time as the sun. Why then
do they vary so widely in this way? Also, what is the minimum density
necessary to support life? How common is this throughout the universe?
Re: What causes the great variety in the planets' densities?
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