Uranus is the seventh planet in the solar system. Its orbit around the sun is elliptical. At its farthest it is just over 3 billion km from the sun. Uranus is the third largest planet in the solar system, has a ring system and numerous moons.
Uranus was discovered by the German born astronomer William Herschel in 1781. It was the first planet to be discovered since antiquity. It was also the first planet to be discovered using a telescope. In 1982 Voyager 2 passed within 81,500km of Uranus and carried out studies of the planet. It is the only such investigation of Uranus that has taken place to date.
Uranus was discovered in the year 1781 On This Day.