Only one has been discovered so far.
Uranus has 27 moons and Earth has 1 moon.
Pluto has four known moons, four times as many as the Earth.
4 moons could ft inside the Earth.
Venus has 0 moons.
one
1
1
Earth's moon does not have any rings, nor moons.
1
Only one.
Yes, 1 == ==
5