ASTRONOMY

1. Introduction.
2. Descriptive Astronomy.
   1. The constellations.
   2. The Celestial Sphere.
   3. The Sun.
   4. The Moon.
   5. The Planets.
3. Theoretical Astronomy.
   1. Greek Theoretical Astronomy.
      1. The Pythagorean School.
         1. Pythagoras (572-497 B.C. or 580-500 B.C.).
         2. Philolaus (c.450 B.C.).
         3. Hicetas and Ecphantus of Syracuse.
      2. The Athenian School.
         1. Plato (427-347 B.C.).
         2. Eudoxus of Knidus (408-355 B.C.).
         3. Aristotle (384-322 B.C.).
         4. Heraclides of Pontus (388-310 B.C.).
      3. The Alexandrian School.
         1. Aristarchus of Samos (c.310-230 B.C.).
         2. Eratosthenes of Alexandria (284-192 B.C.).
         3. Hipparchus (c.160-127 B.C.).
         4. Claudius Ptolemy of Alexandria (c.73-151 A.D.).
   2. Modern Theoretical Astronomy.
      1. 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.).
         1. Youth of Galileo.
         2. Galileo and Copernicus.
         3. Galileo and Kepler.
         4. Star Messenger.
         5. Controversies.
         6. Letter to Castelli and Letter to the Grand Duchess.
         7. The Decree of the Holy Office.
         8. The Comets.
         9. The Assayer.
         10. Dialogue on the Great World Systems.
         11. The Trial.