Q:

How long is a year on Uranus?

A:

Quick Answer

A year on Uranus is equivalent to 84 Earth years, as it takes that long for Uranus to make one revolution around the sun. A day on Uranus is equivalent to about 17 Earth hours.

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Full Answer

The third largest planet in the solar system, Uranus is about 31,690 miles in diameter and about 1.8 billion miles from the sun. Its rotational axis is severely tilted so that it rotates on its side. It is encircled by 11 faint, narrow rings made of rock and dust, and it has 27 moons.

British astronomer William Herschel discovered the planet in 1781. He named it Georgium Sidus in honor of Britain's King George III. German astronomer Johann Elert Bode later suggested the name change to Uranus, a reference to the ancient mythological god of the sky, Ouranos.

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Related Questions

  • Q:

    How big is Uranus compared to Earth?

    A:

    Uranus is the smallest of the gas planets, but its diameter of 51,118 kilometers is still four times longer than the Earth's, according to Universe Today. The volume of Uranus is massive, as it could hold 63 Earths inside its perimeter.

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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:

    How much larger is Uranus than Earth?

    A:

    Uranus is around four times larger than Earth. Its mass is made of helium, ice and ammonia, which contributes to its color. Because of its mass and position in the universe, Uranus presents significantly different conditions to those on Earth.

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  • Q:

    What is the closest planet to Uranus?

    A:

    The closest planet to Uranus is Saturn, which is 898 million miles distant. Uranus is the seventh planet from the sun, while Saturn is the sixth planet. Uranus lies 1.78 billion miles away from the sun, while a distance of 886 million miles separates Saturn from the sun.

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