The surface temperature of Saturn, though cold, is far higher than would be expected from the amount of solar energy it receives. Which of the following factors is thought to be the primary cause of this excess temperature?

0 votes
    continued gravitational settling of liquid helium
     energy from cometary impact (like comet Shoemaker-Levy 9)
     Saturns very high densityy
     heat trapped by the greenhouse effect
     chemical reactions between atmospheric constituents
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
continued gravitational settling of liquid helium
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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