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Saturn
Saturn is the 2nd largest planet in size. Saturn is the 6th planet from the Sun. Saturn is composed mostly of hydrogen and helium. Saturn is mostly liquid and is thought to have a small rocky core. Saturn has an intense heat source. It radiates more energy than it receives from the Sun.
Saturn has a rotational period of 10 to 11 hours. Saturn has an orbital period of 29-1/2 years. Saturn has the lowest density of any planet, 0.7 g, which is less than water. Saturn was named after the God, Saturnus, or the God of Agriculture. Galileo was the first to observe Saturn in 1610
