.The King of the Planets could not have the best moons, but four of Jupiter's 95 moons are certainly the best to observe along with a small pair of binoculars or even a little telescope due to the fact that they form a crystal clear line. The Galilean Moons-- Ganymede, Callisto, Io, and also Europa-- were actually initial uncovered in 1610 as well as they remain to amaze stargazers around the world.