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Neptune
Neptune takes 165 days to revolve around the sun. It takes a little more than 16 hours to rotate just once! That is very fast compared to earths rotation. Neptune is 30 x the distance of earth to the sun. This planet is 4th-largest planet. Neptune is just about 4 x the size of earth! Neptune has 8 moons!
Neptune is made up of hydrogen, white clouds and ice crystals.