.The King of the Planets might not have the best moons, but four of Jupiter's 95 moons are undoubtedly the most convenient to observe with a small set of binoculars or a little telescope considering that they develop a very clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, and also Europa-- were actually first found out in 1610 and also they continue to blow away stargazers across the globe.