.The King of the Planets might not possess the most moons, but 4 of Jupiter's 95 moons are definitely the most convenient to observe along with a tiny set of field glasses or a small telescope since they develop a crystal clear line. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were actually very first discovered in 1610 and they continue to surprise stargazers across the globe.