Pluto, a dwarf Earth, has five moons. Its major moon Charon, named following the ferryman who took souls through the River Styx, is a lot more than 50 % as massive as Pluto by itself, and large sufficient to orbit some extent outdoors Pluto's floor. Phobos is with a collision https://moons15936.blogkoo.com/best-moons-things-to-know-before-you-buy-54040518