Which statement describes Nicholas Copernicus's most famous contribution to science? A. He improved the telescope, thermometer, and compass and challenged Ptolemy’s theory that the moon was smooth with a polished surface. B. He used mathematics to conclude that the earth revolves around the sun and published his findings in On the Revolution of Heavenly Bodies. C. He reinforced the idea that observation and experimentation was necessary to acquire knowledge. D. He is often called the father of modern mathematics because of his Discourse on the Method of Rightly Conducting the the Reason and Seeking Truth in the Sciences.