.The King of the Planets could certainly not have the absolute most moons, but four of Jupiter's 95 moons are most definitely the simplest to observe along with a tiny set of field glasses or a tiny telescope because they create a very clear line. The Galilean Moons-- Ganymede, Callisto, Io, and Europa-- were actually 1st found out in 1610 as well as they remain to impress astrologers across the globe.