Moons

For earth's moon, see Moon

A moon is a smaller planet orbiting a planet.

Mercury and Venus don't have any moons, but maybe Venus has one in the past but crashed into Venus. Earth has the Moon. Mars has 2 moons that probably are captured from the asteroid belt, Phobos and Deimos. Jupiter has 79 moons discovered, with 4 big ones. Saturn has 82 moons discovered, with a few interesting ones like Enceladus and Titan. Uranus has 27 moons discovered. Neptune has 14 moons discovered, with Triton being the biggest one.