Jupiter’s 8th moon, the last of the four Galilean satellites, is Callisto. Callisto is 99% the
Jupiter’s 8th moon, the last of the four Galilean satellites, is Callisto. Callisto is 99% the size of planet Mercury. Its surface is the oldest and most heavily cratered in the Solar System. It’s so completely covered in craters, that should a meteor hit, it would erase an existing crater.#solarsystem #callisto #jupiter #space #science #infographic #skyporn #moon #galilean #astronomy -- source link
#infographic#solarsystem#space#science#skyporn#callisto#jupiter#galilean#astronomy