Jupiter’s Galilean Moons
Io - Jupiter’s volcanic moon
Europa - Jupiter’s icy moon
Ganymede - Jupiter’s (and the solar system’s) largest moon
Callisto - Jupiter’s heavily cratered moon
Made using: Celestia, Screen2Gif & GIMP
Based on: @spaceplasma‘s solar system gifs
Profile sources: http://solarsystem.nasa.gov/planets, http://nssdc.gsfc.nasa.gov/planetary/factsheet/joviansatfact.html