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Copernicus' main argument in favor of his theory was that it was aesthetically more pleasing as it allowed the planets to move in uniform circular motion, an idea later proven false by Kepler.  Many of the ancient Greek arguments for and against [[heliocentrism]] remained unresolved for some time. <ref>Ancient Greeks objected to Aristarchus's heliocentrim because (1) we don't feel the Earth's motion, (2) unattached objects don't fly off, and (3) no annual stellar parallax. [http://physics.gmu.edu/~jevans/astr103/CourseNotes/history_greekGeocentricHeliocentric.html] Stellar parallax was not measured until 1838, while (1) and (2) were resolved by the work of [[Isaac Newton]].</ref>

Copernicus's main argument in favor of his theory was that it was aesthetically more pleasing as it allowed the planets to move in uniform circular motion, an idea later proven false by Kepler.  Many of the ancient Greek arguments for and against [[heliocentrism]] remained unresolved for some time. <ref>Ancient Greeks objected to Aristarchus's heliocentrim because (1) we don't feel the Earth's motion, (2) unattached objects don't fly off, and (3) no annual stellar parallax. [http://physics.gmu.edu/~jevans/astr103/CourseNotes/history_greekGeocentricHeliocentric.html] Stellar parallax was not measured until 1838, while (1) and (2) were resolved by the work of [[Isaac Newton]].</ref>

==Modern Ideas==

==Modern Ideas==

[[Category:Astronomers|Copernicus, Nicolaus]]

[[Category:Astronomers|Copernicus, Nicolaus]]

[[Category:Polish mathematicians and scientists|Copernicus, Nicolaus]]

[[Category:Polish mathematicians and scientists|Copernicus, Nicolaus]]