Uranus is the third largest planet in our solar system. It is the color blue, and it is notable due to the fact that it spins sideways. It is the 7th planet from the sun, located approximately 1.8 billion miles from the fiery ball that gives us life. It was discovered by William Herschel on March 13, 1781. One Uranus year equals 84 Earth years. It weighs as much as about 14.5 Earths.