According to Kepler, the period of revolution of a planet ( T ) and its mean distance from the sun ( r ) are related by the equation

Accorrding to Kepler, the period of revolution of a planet (T) and its mean distance from the Sun ® related by the equation.

How does the period of revolution of a planet around the sun vary with its distance from the sun?

The period T and mean distance R of a planet from the sun are related by

Find the period of revoluition of planet Mars about the sun if mean distance of the Mars from the sun is 1.52AU.

Answer the following questions : Let the period of revolution of a planet at a distance R from a star be T. Prove that if it was at a distance of 2R from the star, its period of revolution will be sqrt8T .

According the Kepler's law, the areal velocity of a planet around the sun, always