Spaceman complete mission to the Uranus.
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 aid of a telescope, Uranus was discovered in 1781 by astronomer William Herschel. Uranus has 13 known rings. The inner rings are narrow and dark and the outer rings are brightly colored. Uranus takes about 17 hours to rotate once (a Uranian day), and about 84 Earth years to complete an orbit of the Sun (a Uranian year).