.The King of the Planets may not possess the best moons, yet four of Jupiter's 95 moons are actually absolutely the easiest to view along with a tiny pair of field glasses or even a tiny telescope since they create a very clear line. The Galilean Moons-- Ganymede, Callisto, Io, and Europa-- were actually initial found in 1610 and also they continue to astonish stargazers around the world.