But about 1400 years later, a Polish astronomer, named Nicolaus Copernicus created a new theory relying on his knowledge of mathematics to develop a more modern and refined understanding of how the universe works. In Copernicus's theory, "the Heliocentric Universe," he shows the universe as how we know it today, with everything revolving around the Sun. When Copernicus revealed his theory to the public, the Catholic Church was not to happy with his discovery. According to them, Copernicus's new theory disproved everything that the Church had been teaching since around the birth of Je...

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• Grade Level: High School