Saturn is an outer planet located 888 million miles from the Sun. It is made of rocky core, liquid metallic hydrogen and molecular hydrogen. Saturn's atmosphere is made up of hydrogen, helium and methane. It has 62 moons, 53 of which are named, and takes 10,759.2 days to orbit the Sun. In contrast, Earth is an inner planet located 150 million kilometers from the Sun. It is made of nickel core and silicate and has an atmosphere of nitrogen, oxygen and argon. Earth has one moon and takes 365 days to orbit the Sun.