Q:

How many miles is the Earth's diameter?

A:

Quick Answer

The diameter of the Earth is 7,926 miles at the equator; however, if the diameter of the Earth is measured through the North and South Poles, the diameter is only 7,901 miles. This length is slightly shorter than the width.

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Full Answer

Although the Earth has a sphere-like shape, the rotation of the Earth has caused the planet to flatten out slightly. For that reason, the Earth has a larger diameter at the equator. The diameter of the Earth varies as a result of a tiny bulge located at the equator. This bulge is called an ellipsoid or, more accurately, a geoid.

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Related Questions

  • Q:

    What are the diameters of the planets?

    A:

    The diameters of the planets are as follows: Mercury is 3,032 miles; Venus is 7,521 miles; Earth is 7,926 miles; Mars is 4,222 miles; Jupiter is 88,846 miles; Saturn is 74,898 miles; Uranus is 31,763 miles; Neptune is 30,778 miles. As a result, the largest planet by diameter is Jupiter and the smallest is Mercury.

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  • Q:

    What is the diameter of Jupiter?

    A:

    The diameter of Jupiter at the equator is 88,846 miles, and its diameter at the poles is 83,082 miles. The difference in measurement is due to the rapid spinning of the planet, which completes one rotation in about 9 hours and 50 minutes at the equatorial region and around 9 hours and 56 minutes at the polar regions.

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  • Q:

    How much would a 100-pound person weigh on Saturn?

    A:

    A person weighing 100 pounds on Earth would weigh 107 pounds near the poles of Saturn and 91 pounds near Saturn's equator. This difference is due to centrifugal force offsetting some of the pull of gravity along the equator as the planet spins on its axis.

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  • Q:

    How many miles is Uranus from the sun?

    A:

    Uranus is 1.79 billion miles away from the sun at its closest point. Since Uranus follows an elliptical orbit, this number varies up to 1.86 billion miles.

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