#saturn reels — Knowledge Reels

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Saturn would float in water

Saturn is mostly hydrogen and helium, giving it a density lower than water. Find a bathtub big enough and the ringed planet would bob on the surface.

The rings are billions of ice chunks, from grains to house-sized blocks, and they are astonishingly thin — often tens of metres deep.

A persistent hexagonal jet stream surrounds Saturn's north pole, with each side wider than Earth.