Saturn

When Galileo Galilei saw Saturn through a telescope in the 1600s, he wasn't sure what he was seeing. At first he thought he was looking at three planets, or a planet with handles. Now we know those "handles" turned out to be the rings of Saturn.

Structure and Surface Saturn is a gas giant like Jupiter. It is made mostly of hydrogen and helium. Saturn has a thick atmosphere. Saturn has a lovely set of seven main rings with spaces between them.

Time on Saturn
One day on Saturn goes by in just 10.7 hours.
One year on Saturn is the same as 29 Earth years.

Saturn's Neighbors
As of June 8, 2023, Saturn has 146 moons.
Saturn is the sixth planet from the Sun.
That means Jupiter and Uranus are Saturn’s neighboring planets.

Quick History
Saturn has been known since ancient times because it can be seen without advanced telescopes.
Four robotic spacecraft have visited Saturn, including Pioneer 11, Cassini, and Voyager 1 and 2.