.The Master of the Planets might not possess the best moons, yet 4 of Jupiter's 95 moons are most definitely the simplest to observe along with a tiny pair of field glasses or even a little telescope considering that they develop a very clear pipes. The Galilean Moons-- Ganymede, Callisto, Io, and Europa-- were actually very first discovered in 1610 as well as they continue to blow away across the globe.