Question

How do we know that the earth revolves around the sun and not vice verso ?​

Answer 1

Answer:

If the Earth is moving around the sun, then there should be an apparent shift of the positions of stars. This is called stellar parallax. ... This is basically a long pendulum that changes its plane of oscillation due to the rotation of the Earth.

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Answer 2

Answer:

Hi,

The proof that it is the Earth moving and not the Sun came in the 1720s in the work of English astronomer James Bradley, who was later to become the Astronomer Royal.

Thank you.