Uranus is the seventh planet from the Sun, and has the third largest diameter in our solar system, it was the first planet found with the help of a telescope, Uranus was discovered in 1781 by the astronomer William Herschel, it is named Uranus in honor of the Greek sky divinity Uranus, the father of Cronus and the grandfather of Zeus, Uranus is made of water, methane, and ammonia fluids above a small rocky center, its atmosphere is made of hydrogen and helium like Jupiter and Saturn, but it also has methane, the methane makes Uranus blue, Uranus also has faint rings, the inner rings are narrow and dark, the outer rings are brightly colored and easier to see, like Venus, Uranus rotates in the opposite direction as most other planets, and unlike any other planet, uranus rotates on its side, Uranus is surrounded by a set of 13 rings, Uranus is an ice giant (instead of a gas giant), it is mostly made of flowing icy materials above a solid core.