... implied that the universe was larger than what was originally thought. Copernicus hesitated to publish his theory because he knew it would cause controversy. Many scientists still accepted the medieval paradigm that favored tradition over change. Finally he published his ideas in his book "On the Revolutions of the Heavenly Spheres'. In this book, he demonstrated how the earth's motion could ... the understanding of the universe with his heliocentric theory of planetary movement. He rejected a view that had been accepted for many centuries and he later influenced scientists. His theory ...

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