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# How is the mass of Jupiter calculated?

The mass of Jupiter is estimated using a mathematical formula of Kepler's Third Law, which states gravity pulls the same on all planetary objects. A formula for calculating mass takes the distance of an orbit cubed divided by the period of the object's orbit squared, and then that figure is multiplied by the number of four times pi squared divided by Kepler's constant. Astronomers observe Jupiter's moons to calculate mass.

Continue ReadingThe formula reads "M=(a^3/P^2)*(4pi^2/G)," where M is the mass, "a" denotes the distance of an orbit, P is the period of an orbit, pi is 3.1459 and G is Kepler's constant. The period of an orbit is the time it takes a moon or planet to return to the same spot in the orbit every revolution. Pi is the mathematical constant that describes the relationship between the diameter of a circle and its circumference.

The mass of Jupiter is estimated to be 1.9 x 10^27 kilograms, or approximately 318 times the mass of Earth. The mass of Jupiter is 2.5 times greater than all of the other planets the solar system combined. Jupiter's mass can only be estimated, since the moons of Jupiter do not orbit the planet in a perfectly circular orbit as described by Kepler's Third Law.

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## Why is Jupiter denser than Saturn?

A: Saturn is much less dense than Jupiter because Saturn has much less mass than Jupiter, but it is only slightly smaller in terms of volume. In fact, Saturn ... Full Answer >Filed Under: -
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## What are some fun facts about Jupiter?

A: Jupiter is the largest planet in the solar system and has more than double the mass of the other planets in the solar system combined. Being the largest an... Full Answer >Filed Under: -
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## How was Jupiter formed?

A: Similar to the formation of other planets in the solar system, Jupiter was formed through the core accretion method. Jupiter likely formed after the sun to... Full Answer >Filed Under: -
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## What does Jupiter look like inside?

A: Jupiter has an extremely thick atmosphere, and light from the sun penetrates only a short distance into it, which means that the majority of Jupiter looks ... Full Answer >Filed Under: