The only spacecraft to have visited the sixth planer Saturn are Pioneer 11, Voyager 1 and Voyager 2.This image was taken by Voyager 2 from a distance of 101,000 km (63,000 miles). After studying Saturn Voyager 2 headed to Uranus.Jupiter, Saturn, Uranus and Neptune are often referred to as the gas giants, as they all have a small rocky core with an atmosphere of hydrogen and helium. All the gas giants have rings but none are as magnificent or as visible as those of Saturn. Saturn’s nine rings are made up of small rock and ice particles and extend thousands of km (miles) from the planet.However, the depth of the rings is only 10m (30 feet).Saturn has at least 62 moons, of which only 53 have names and the largest is Titan. Saturn is named after the Roman god of agriculture.