Supplementary Reading for Lectures 5-6


Four nice movie clips from Mogi Vicentini illustrating planetary motion:


§      models from Eudoxus (homocentric spheres) to Apollonius/Hipparchus/Ptolemy (epicycles) to Copernicus (heliocentric)


§      a model showing how the eccentric and the equant approximates Kepler ellipse motion.


§      the geocentric – heliocentric views of the inner and outer planets.


Excerpts from the Almagest of Ptolemy’s introduction to the planetary theories.


The part of Ptolemy’s Planetary Hypotheses that explains his distance theory.