Question

write kepler's third law .
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Answer 1

“The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit” That’s Kepler’s third law. In other words, if you square the ‘year’ of each planet, and divide it by the cube of its distance to the Sun, you get the same number, for all planets.

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Answer 2

keplers third law :

The square of its period of revolution around the sun is directly proportional to the cube of the mean distance of the planet from the sun .