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Gaseous cyan -coloured ice giant
- 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, astronomy calls "ice" or volatiles.
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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, astronomy calls "ice" or volatiles.
Uranus is the seventh planet from the Sun, and it's the third largest planet in our solar system – about four times wider than Earth. The diameter at its equator is 31,763 miles (51,120 kilometers). Uranus is a very cold and windy planet.
- 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.
3 days ago · 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.
- Uranus was discovered on March 13, 1781, by the English astronomer William Herschel with the aid of a telescope. Uranus is the first planet to be d...
- The mean distance of Uranus from the Sun is nearly 2.9 billion km (1.8 billion miles), more than 19 times as far as Earth, and it never approaches...
- On average, Uranus radiates the same amount of energy as an ideal, perfectly absorbing surface at a temperature of 59.1 kelvins (K; −353 °F, −214 °...
- Uranus has 27 known moons that are accompanied by at least 10 narrow rings. Generally, the rings are located closer to the planet than the moons. S...
- Unlike most planets, the axis of Uranus lies almost parallel to its orbital plane, which means that the planet spins nearly on its side, its poles...
- Structure and Surface
- Time on Uranus
- Uranus' Neighbors
- Quick History
- What Does Uranus Look like?
Uranus is surrounded by a set of 13 rings.Uranus is an ice giant (instead of a gas giant). It is mostly made of flowing icy materials above a solid core.Uranus has a thick atmosphere made of methane, hydrogen, and helium.Uranus is the only planet that spins on its side.One day on Uranus lasts a little over 17 hours (17 hours and 14 minutes, to be exact).One year on Uranus is the same as 84 years on Earth. That’s a long time to wait for a birthday cake.Uranus has 28 known moons.Uranus is the seventh planet from the Sun. That means Saturn and Neptune are Uranus’ neighboring planets.Uranus was discovered in 1781 by William Herschel in Great Britain.Uranus has only been visited by Voyager 2.This picture shows Uranus surrounded by its four major rings and by 10 of its moons. This image has colors added to show the different altitudes and thicknesses of clouds in the atmosphere. Green and blue areas show where the atmosphere is clear and sunlight can get through. The yellow and grey parts have thicker clouds. Orange and red colors mean ...
Uranus is the only planet whose equator is nearly at a right angle to its orbit, with a tilt of 97.77 degrees. This may be the result of a collision with an Earth-sized object long ago. This unique tilt causes Uranus to have the most extreme seasons in the solar system.
Uranus is the only planet whose equator is nearly at a right angle to its orbit, with a tilt of 97.77 degrees – possibly the result of a collision with an Earth-sized object long ago. This unique tilt causes the most extreme seasons in the solar system.
