2: Historical Astronomy Last updated Save as PDF Page ID 64052 Lumen Learning Lumen Learning 2.1: Module Introduction 2.2: The Study of Science 2.3: What Time Is It? 2.4: Ancient Observations 2.5: Contributions to Science 2.6: The Wanderers 2.7: Claudius Ptolemy 2.8: Astronomy and Astrology 2.9: The Birth of Modern Astronomy 2.10: Observations of Motion- Brahe, Kepler, and Galilei 2.11: Observations of the Heavens- Galileo 2.12: The Mathematical Finish- Newton