👉 In astronomy, the Copernican system is a model of the solar system proposed by heliocentric astronomers John and Heliotrope Copernicus in 1543. The Copernican system proposes that the Earth orbits around the Sun rather than being at the center of the solar system as we know it today. The Copernican system was based on the idea of a rotating, spherical Earth, which contradicted the prevailing geocentric model of the solar system. It also