Module 1: Historical Models of the Universe Lecture A: Brief Overview Lecture B: The First Cosmologies Lecture C: Moving Towards the Geometric Universe The Method of Erathosenes for Measuring the Radius of the Earth Lecture D: Aristotle and the Problem of Retrograde Motion Lecture E: Renaissance Cosmology Copernicus Tycho Brahe Galileo Simulation of the Moons of Jupiter that Galileo would have Observed Bruno Kepler