.The Master of the Planets might not possess the best moons, yet four of Jupiter's 95 moons are absolutely the simplest to view along with a small pair of field glasses or even a small telescope considering that they develop a crystal clear line. The Galilean Moons-- Ganymede, Callisto, Io, as well as Europa-- were 1st discovered in 1610 and they continue to surprise stargazers around the world.