What were Copernicus's contributions to astronomy?

1 Answer
Emily
Mar 23, 2016

Copernicus contributed several main things to astronomy.

Explanation:

  1. He introduced the heliocentric model of the solar system. Before, the earth had been believed to be the center.
  2. 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.
  3. He established the orbit of the planets around the sun.
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