Which planet might float on water?

Saturn, the second largest planet in the solar system, is the least dense. Water has a density of 1.0 grams per centimeter cubed. Saturn, which is made mostly of gas and liquid, has a density of 0.69 grams per centimeter cubed. This means that if you could somehow take a chunk of the planet and haul it back to Earth, it would float in your swimming pool.


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