Pluto, a dwarf Earth, has 5 moons. Its greatest moon Charon, named once the ferryman who took souls through the River Styx, is over 50 % as significant as Pluto alone, and large more than enough to orbit a degree outside Pluto's surface area.Zethus is the largest crater on Thebe, that has a diameter of about 40 km. It had been discovered because of