.The Master of the Planets may not have one of the most moons, however 4 of Jupiter's 95 moons are undoubtedly the easiest to see with a little pair of field glasses or even a small telescope given that they create a clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, and Europa-- were 1st discovered in 1610 as well as they continue to astound astrologers across the globe.