Saturn would float in a giant bathtub
Saturn is the only planet less dense than water, meaning it would float; this gas giant also features iconic rings, 83 moons, and incredibly fast rotation.
Imagine a bathtub big enough for a planet! Saturn is the only planet in our solar system less dense than water, meaning it would actually float. Its average density is 0.687 g/cm³, compared to water's 1 g/cm³, because it's primarily made of hydrogen and helium gas with no solid surface.
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