Q:

What is the weight of Pluto?

A:

Quick Answer

Pluto does not have a weight, because weight is a force exerted by one gravitational body on another gravitational body. The dwarf planet Pluto has a mass of 1.31 x 10^22 kilograms, and it's weight would depend on the acceleration at the surface of another planet.

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Full Answer

Pluto is less massive than the Earth by a factor of 456. It is so small, in fact, that astronomers reclassified it as a dwarf planet in 2008, because it does not exert enough gravitational force to evacuate small objects from it's orbit. A 100 pound human would weight just 6 pounds on Pluto.

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Related Questions

  • Q:

    How small is Pluto?

    A:

    Pluto has a volume of about 1.53 cubic miles, a radius of 715.2 miles, a surface area of 6.42 million miles and an equatorial circumference of 4,493.7 miles. It is only 0.006 times as voluminous as Earth.

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  • Q:

    How much does Pluto weigh?

    A:

    According to NASA, Pluto has a mass that is equal to 0.0022 that of Earth's, or 1.3 sextillion kilograms. This makes Pluto considerably less massive than, not just all eight planets, but also several of the moons in the solar system.

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  • Q:

    How big is Pluto?

    A:

    Pluto has an average radius of 715 miles. The planetary body is 20 percent smaller than Earth and it has a diameter of 1,430 miles.

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  • Q:

    What is Pluto made of?

    A:

    Although no one knows exactly what Pluto is made of, most scientists agree that it is between 50 and 70 percent rock, with the remainder being composed of various ices. Pluto’s core is composed of dense rock, while the ices form the larger, but less dense, mantle. The very outer crust of Pluto is composed of methane and nitrogen frost.

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