Q:

What is the largest planet in the solar system?

A:

Quick Answer

Jupiter is the largest planet in the solar system, with a radius of 43,441 miles. That is more than 10 times Earth's 3,359-mile radius, but it is also about 16 times smaller than the Sun's radius. Mercury is the smallest planet in the solar system with a radius of 1,516 miles.

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Full Answer

Keep in mind that when planets are compared by radius, it tends to understate the immense difference in size. Small differences in the radius of a sphere correspond to enormous differences in total volume. Three Earths could fit inside Jupiter's famous red spot alone, and 1,400 Earths could fit inside the entire planet.

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Related Questions

  • Q:

    What is the heaviest planet in the solar system?

    A:

    Jupiter is the heaviest planet in the solar system, with a mass of 1.90 x 10^27 kg. The gas giant's mass is equivalent to about 318 Earths. Jupiter is so heavy that it's twice as heavy as all the planets in the solar system combined.

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  • Q:

    How fast does Jupiter rotate?

    A:

    Jupiter rotates at a speed of 28,273 miles per hour, making it the fastest rotating planet in the solar system. Unlike other planets, Jupiter is mainly made up of gases, which is why it does not rotate as slowly as the others. The only other planet made of gas is Saturn.

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  • Q:

    How big is Mercury?

    A:

    Mercury has a radius of 2,439.7 kilometers, making it smaller than some moons and the smallest planet in the solar system. Its mass is equal to 0.055 of Earth's.

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  • Q:

    When can Jupiter be seen at night?

    A:

    Jupiter, the largest planet in the solar system, is most visible when it reaches opposition to the sun every 398.9 days on average. In March 2014, the planet was located in the Gemini constellation, making it appear bright against the night sky.

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