The Planet That Could Float

Saturn is the only planet in the Solar System that is less dense than water. That means, on average, the same amount of Saturn material weighs less than the same amount of water.

Saturn: The Planet That Could Float

How Can Something So Huge Be So Light?

Saturn is made mostly of hydrogen and helium, not rock. It has no solid surface you could stand on, and its thick gas layers give it an average density of about 0.69 grams per cubic centimeter.

Saturn: The Planet That Could Float