Why is Saturn almost as large in radius as Jupiter despite its smaller mass?
A) Jupiter's greater mass compresses it more, thus increasing its density.
B) Saturn's rings make the planet look bigger.
C) Saturn is farther from the Sun, thus cooler, and therefore less compact.
D) Saturn has a larger proportion of hydrogen and helium than Jupiter, and is therefore less dense.
E) Jupiter's strong magnetic field constrains its size.
A) Jupiter's greater mass compresses it more, thus increasing its density.
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