AST101H5 Chapter Notes - Chapter 2: Geocentric Model, Nicolaus Copernicus, Deferent And Epicycle
Document Summary
Ancient greek astronomers of classical times were the some of the first to try to explain the workings of the heavens in a careful, systematic manner. The greeks knew the earth was round. Mathematician who believed that because the sphere was a perfect shape, the god"s would"ve based the earth off of such a shape. Presented arguments that the earth was spherical based on simple observations. Circular shadow on an eclipse of the moon. A traveller who moves south will see stars that were previously covered by the southward horizon. As ships sailed away from port, the lower parts would disappear but the sail would stay above land. Distances and sizes of the sun and the moon. Aristarchus of samos used geometric methods to measure the sizes of the. Earth, moon, and sun as well as the distances to the moon and sun. How he measured distance to moon and sun.
