.The Master of the Planets could not have one of the most moons, but 4 of Jupiter's 95 moons are most definitely the easiest to view with a tiny set of field glasses or even a little telescope since they form a very clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were initial found out in 1610 and also they remain to amaze stargazers around the world.