Q:

How cold is Uranus?

A:

Quick Answer

As of 2014, Uranus has an atmospheric temperature minimum of -224 degrees Celsius, making it the coldest planet in the solar system. The planet's upper atmosphere is mostly covered by a haze of methane, which hides storms that occur in the clouds beneath it.

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Full Answer

The orbit of Uranus around the Sun takes approximately 84 Earth years to complete one rotation. Due to its orientation, either one of Uranus' poles can receive direct sunlight for about 42 Earth years per orbit. The planet was first discovered in 1781 by Sir William Heschel. Uranus got its name from the ancient Greek deity Ouranos after a recommendation by the astronomer Johann Bode.

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Related Questions

  • Q:

    What is Uranus's atmosphere made of?

    A:

    The atmosphere for the planet Uranus is made up of methane, helium and hydrogen. Uranus is considered unique as it tilts at a 98 degree angle, and when the planet is seen from Earth, it looks like it rotates on its side.

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  • Q:

    What is the gravity on Uranus?

    A:

    The force of gravity on Uranus is 8.69 meters per second squared, which is also the speed at which dropped objects accelerate toward the surface of the planet. On Earth, objects accelerate at 9.78 meters per second squared. Uranus' gravity is approximately 89 percent of the force of Earth's gravity.

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  • Q:

    What is the revolution of Uranus?

    A:

    The revolution of Uranus, or the time it takes for the planet to revolve around the sun, is 30,687.15 Earth days. This revolution is also the equivalent of approximately 84 years on Earth.

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  • Q:

    How many rings does Uranus have?

    A:

    There are thirteen rings surrounding the planet Uranus. Ten of the rings were first discovered by Australian astronomers in 1977. In 1986, technological advances allowed the space craft Voyager II to identify the other three rings encircling the planet.

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