.The King of the Planets may not possess the most moons, yet 4 of Jupiter's 95 moons are certainly the simplest to view along with a tiny pair of field glasses or a tiny telescope considering that they form a crystal clear line. The Galilean Moons-- Ganymede, Callisto, Io, and also Europa-- were very first uncovered in 1610 as well as they remain to impress astrologers across the globe.