What describes the work of Nicolaus Copernicus?

Answer 1

He was the first astronomer to formulate a scientifically-based heliocentric cosmology that displaced the Earth from the center of the universe.

Answer 2

He was a Polish astronomer who found out that the Sun is the center of Solar system.

Answer 3

he was the first person to seee the solar system as a heliocentric system instead of a geocentric system

Answer 4

He discovered that the Sun was the center of our solar system rather than Earth. Explained the retrograde orbit of Mars and he became the first to realize the actual order of the planets.