Consider a planet moving around a star in an elliptical orbit with period T. Area of elliptical orbit is proportional to

A planet is moving around the sun in an elliptical orbit. Its speed is

In elliptical orbit of a planet

In elliptical orbit of a planet

Orbit of a planet around a star is

Kepler's law starts that square of the time period of any planet moving around the sun in an elliptical orbit of semi-major axis (R) is directly proportional to

Kepler's law starts that square of the time period of any planet moving around the sun in an elliptical orbit of semi-major axis (R) is directly proportional to

Consider that the Earth is revolving around the Sun in a circular orbit with a period T. The area of the circular orbit is directly proportional to

Consider that the Earth is revolving around the Sun in a circular orbit with a period T. The area of the circular orbit is directly proportional to