Uranus has an unusual axial tilt. The axial tilt of most planets is fairly small. Uranus's axial tilt, however, is 82.1ยก. That means Uranus seems to spin almost on its side as it revolves around the Sun. It takes Uranus 84 years to orbit the Sun. Because of Uranus's axial tilt, the north pole faces the Sun for 21 years. During this time, the south pole gets almost no light. If you were standing at the north pole during this period, the Sun would