cphil_astro ASTRONOMY by Ray Shelton TABLE OF CONTENTS I. IntroductionII. Descriptive AstronomyA. The ConstellationsB. The Celestial SphereC. The SunD. The MoonE. The PlanetsIII. Theoretical AstronomyA. Greek Theoretical Astronomy1. The Pythagorean Schoola. Pythagoras (572-497 B.C. or 580-500 B.C.)b. Philolaus (c.450 B.C.)c. Hicetas and Ecphantus of Syracuse2. The Athenian Schoola. Plato (427-347 B.C.)b. Eudoxus of Knidus (408-355 B.C.)c. Aristotle (384-322 B.C.)d. Heraclides of Pontus (388-310 B.C.)3. The Alexandrian Schoola. Aristarchus of Samos (c.310-230 B.C.)b. Eratosthenes of Alexandria (284-192 B.C.)c. Hipparchus (c.160-127 B.C.)d. Claudius Ptolemy of Alexandria (c.73-151 A.D.)B. Modern Theoretical Astronomy1. Nicolaus Copernicus (1473-1543 A.D.)2. Tycho Brahe (1546-1601 A.D.)3. Johannes Kepler (1571-1630 A.D.)4. Galileo Galilei (1564-1642 A.D.)a. Youth of Galileob. Galileo and Copernicusc. Galileo and Keplerd. Star Messengere. Controversiesf. Letter to Castelli and Letter to the Grand Duchessg. The Decree of the Holy Officeh. The Cometsi. The Assayerj. Dialogue on the Great World Systemsk. The Trial