Why is Saturn is less denser than water?

What is so special about Saturn(except for the rings), that it actually deviates from the density trends of the planets??????

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  • 1 decade ago
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    When we measure the size of the Gas Giants, we measure the diameter from the altitude where their atmosphere has the same pressure as Earth's atmospheric pressure at the surface (100 kPa or around 15 psi).

    unlike Earth, these planets have very extensive atmosphere, so that their "volume" contain lots of gas.

    Density is mass divided by volume. Gas is not very massive (compared to molten iron, for example) but it takes up a lot of volume.

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  • 1 decade ago

    the planet is a gas giant with the molecules being gas the are farther apart making less mass

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  • 1 decade ago

    Because its made of gas and gas is less dense than water... Dah Einstein

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