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Surface temp. Uranus is the seventh planet from the Sun. It is a gaseous cyan -coloured ice giant. Most of the planet is made of water, ammonia, and methane in a supercritical phase of matter, which in astronomy is called 'ice' or volatiles.
- 6.80 km/s
- −0.71833 d, −17 h 14 min 24 s, (retrograde)
- 2.59 km/s, 9,320 km/h
Uranus is the seventh and third largest planet from the Sun, with a unique tilt and a blue-green atmosphere. Learn about its icy surface, 28 moons, faint rings, and the only spacecraft to visit it, Voyager 2.
Uranus, seventh planet in distance from the Sun and the least massive of the solar system’s four giant, or Jovian, planets. Uranus has more than two dozen moons, five of which (Umbriel, Miranda, Ariel, Titania, and Oberon) are relatively large, and a system of narrow rings.
Learn about Uranus, the seventh planet from the Sun and the third largest in diameter. Find out how Uranus' unique tilt, rings, moons, and atmosphere make it a cold and windy world.
- Uranus was officially discovered by Sir William Herschel in 1781. It is too dim to have been seen by the ancients. At first Herschel thought it was a comet, but several years later it was confirmed as a planet.
- Uranus turns on its axis once every 17 hours, 14 minutes. The planet rotates in a retrograde direction, opposite to the way Earth and most other planets turn.
- Uranus makes one trip around the Sun every 84 Earth years. During some parts of its orbit one or the other of its poles point directly at the Sun and get about 42 years of direct sunlight.
- Uranus is often referred to as an “ice giant” planet. Like the other gas giants, it has a hydrogen upper layer, which has helium mixed in. Below that is an icy “mantle, which surrounds a rock and ice core.
Jan 18, 2017 · Learn about Uranus, the seventh planet from the sun, with its unique tilt, rings, moons, and atmosphere. Find out how it was discovered, what it looks like, and why it smells like rotten eggs.
Learn about Uranus, the seventh planet from the Sun and the third largest in diameter. Discover its unique tilt, rings, moons, seasons, and atmosphere.
