Question

Why does Saturn radiate even more excess heat than Jupiter?
A) Only Saturn is still radiating heat left over from its formation.
B) Saturn's thick clouds give it a stronger greenhouse effect.
C) Helium rain falling inward generates heat as it descends.
D) Saturn's atmosphere contains much methane, which is very flammable.
E) Saturn is more massive than Jupiter, so its gravitational compression is stronger.

Answer

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