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Search results with tag "Copernicus and galileo"
Copernicus and Galileo: Scientific Questioning
www.coreknowledge.orgused mathematics to try to prove or disprove the Ptolemaic theory. Copernicus, a Polish astronomer, could not prove the truth of Ptolemy’s theory. In fact, Copernicus argued that the geocentric theory (which held that Earth was at the CK_5_TH_HG_P104_230.QXD 2/14/06 …