Question

Define kepler's law of gravitation

Answer 1

Answer:

The square of the period of any planet is proportional to the cube of the semimajor axis of its orbit. This is one of Kepler's laws. This law arises from the law of gravitation. ... In this more rigorous form it is useful for calculation of the orbital period of moons or other binary orbits like those of binary stars.

Answer 2

Answer:

There are actually three, Kepler's laws that is, of planetary motion: 1) every planet's orbit is an ellipse with the Sun at a focus; 2) a line joining the Sun and a planet sweeps out equal areas in equal times; and 3) the square of a planet's orbital period is proportional to the cube of the semi-major axis of its ...

Explanation:

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