Lecture 3.
A.
Class Business
B. Earliest Scientific Cosmologies
Greeks
- cosmology
= study of organization & evolution of universe
C. Hipparchus - designated stellar magnitudes:
lower mag. = brighter star (more later!)
D.
Ptolemy and Epicycles
E.
Copernicus and the Heliocentric Picture
F.
Galileo's Contributions
G.
Chapter 1 Concept Cluster