Newton's third law says that every action has an equal and opposite reaction.this means that the force applied by sun on Earth and by Earth on sun will be equal.then why does sun does not revolve around Earth?why Earth revolves around sun?
Technically, what is going on is that the Earth, Sun and all the planets are orbiting around the center of mass of the solar system. This is actually how planets orbiting other stars are often detected, by searching for the motion of the stars they orbit that is caused by the fact that the star is orbiting the center of mass of the system, causing it to wobble on the sky.
The center of mass of our solar system very close to the Sun