This composite includes the four largest moons of Jupiter which are known as the Galilean satellites. Shown from left to right in order of increasing distance from Jupiter, Io is closest, followed by Europa, Ganymede, and Callisto. Galileo. Editorial Stock Photo - Afloimages
This composite includes the four largest moons of Jupiter which are known as the Galilean satellites. Shown from left to right in order of increasing distance from Jupiter, Io is closest, followed by Europa, Ganymede, and Callisto. Galileo.