The Class J planet Jupiter is the fifth planet of the Sol system, and is one of four gas giants in the system. Jupiter is surrounded by 63 moons, however most of them are the size of asteroids.
Earth first sent a few probes to Jupiter, three of those probes being Pioneer 10, Voyager 1 and Voyager 2. In 2040, the first manned mission to jupiter began. It was discovered that four of jupiters moons are capable of supporting life. On July 6th 2100, the human established one of their first colonies on jupiters moons of Io, Ganymede, Europa and Callisto.