Question

Which scientist proposed the idea of a sun-centered solar system instead of an earth-centered solar system?

Answer 1

Nicolaus Copernicus

This theory was first proposed by Nicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: De revolutionibus orbium coelestium, "On the revolutions of the heavenly bodies," which appeared in 1543.