.The Master of the Planets could not have the best moons, but four of Jupiter's 95 moons are most definitely the simplest to view with a little pair of binoculars or even a tiny telescope given that they form a crystal clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were first discovered in 1610 as well as they remain to surprise across the globe.