Question

explain Kepler's 3rd law of planatry motion ​

Answer 1

Answer:

The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit. This captures the relationship between the distance of planets from the Sun, and their orbital periods.

Regards !

Answer 2

The square of the time period of revolution of the planet around the sun is propotional to the cube of th semi-major axis of the ellipital orbit.