.The King of the Planets may certainly not possess the absolute most moons, but four of Jupiter's 95 moons are certainly the best to observe with a tiny pair of binoculars or a little telescope since they form a clear line. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were first discovered in 1610 as well as they continue to amaze stargazers around the world.