.The King of the Planets may not have the best moons, but four of Jupiter's 95 moons are actually definitely the best to view along with a little set of binoculars or a tiny telescope considering that they create a crystal clear line. The Galilean Moons-- Ganymede, Callisto, Io, and also Europa-- were actually initial found out in 1610 as well as they continue to impress stargazers around the world.