In 1514, he created a heliocentric model for the solar system, The Copernican Model . Planets closer to the Sun move faster .
Stars are very far away .
Earth rotates on its axis daily . The earth's rotation explains the daily motion of the stars. The Earth rotates once every 23h 56m relative to the stars. At the same time, the Earth moves around the Sun. The Earth moves around the Sun in the same sense it rotates.