Saturn

Saturn

Saturn, the sixth planet from the Sun, has beautiful rings composed of ice particles. It is the second largest planet in the Solar System, yet it is the least dense - it would float in water if there were a bathtub large enough to hold it.

Saturn is mainly composed of hydrogen and helium and does not have a solid surface. It has 25 satellites that measure at least 10km in diameter - the largest, Titan, is the only moon in the Solar System with a substantial atmosphere.

Saturn's interior is thought to contain fluid metallic hydrogen - a substance that cannot be studied directly because it is not possible to recreate the very high temperatures and pressures at which it is predicted to form.

Photo: Saturn taken by the Cassini probe (NASA/JPL/Space Science Institute)

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Saturn

About Saturn

The ringed planet is a complex world.

About Saturn

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