.The Master of the Planets could not have the most moons, yet four of Jupiter's 95 moons are undoubtedly the simplest to observe with a tiny pair of field glasses or a little telescope because they create a clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were 1st discovered in 1610 and they remain to amaze stargazers around the world.