Question

name the Astronomer who declared that the sun and not the earth is the centre of the universe.​

Answer 1

Nicolaus Copernicus is the astronomer who declared it.

please mark it as brainlist answer

Answer 2

Nicolaus Copernicus (1473–1543) was a mathematician and astronomer who proposed that the sun was stationary in the center of the universe and the earth revolved around it.