Q:

How big is Neptune?

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Quick Answer

Space.com indicates that Neptune's diameter of 15,299 miles is fourth longest among the planets. At 102 trillion trillion kilograms, Neptune has the third-highest mass of the eight planets in the solar system. However, it was one of the last planets discovered because it is the farthest from the sun.

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Full Answer

Cool Cosmos notes that Neptune's volume is 57.7 times that of Earth. Neptune has a large surface area of 2.9 billion square miles, though it consists of water and ice rather than solid ground. Because of its gas atmosphere and liquid surface, Neptune has a modest density of 1.638 grams per cubic centimeter.

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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:

    How many miles is Neptune from the sun?

    A:

    Due to its elliptical orbit, Neptune's distance from the Sun fluctuates between 2.77 and 2.82 billion miles. The eighth planet in the solar system, Neptune is also the furthest from the Sun.

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  • Q:

    How far from the sun does Neptune orbit?

    A:

    Neptune is the eighth planet from the sun, and it's about 2.8 billion miles away from the sun. This distance is roughly 30 times further away from the sun than Earth is, making Neptune a cold and dark planet.

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  • Q:

    How cold is Neptune?

    A:

    The average temperature on Neptune is -373 degrees Fahrenheit. Neptune is, on average, 2.8 billion miles from the sun, making it the eighth planet from the sun, which is one reason this planet is so cold.

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