What were Copernicus's contributions to astronomy?
Mar 23, 2016
Copernicus contributed several main things to astronomy.
- He introduced the heliocentric model of the solar system. Before, the earth had been believed to be the center.
- He stated that the seasons, the sun's rise and fall each day,the planetary movement, and the movement of the stars were all caused by earth's rotations.
- He established the orbit of the planets around the sun.