.The King of the Planets might not have the most moons, but four of Jupiter's 95 moons are actually certainly the simplest to view along with a small set of binoculars or even a small telescope because they develop a clear line. The Galilean Moons-- Ganymede, Callisto, Io, and also Europa-- were actually very first uncovered in 1610 and they remain to astonish stargazers across the globe.