Deductions from the astronomical triangle 4. Motion on the celestial sphere i. Motion of the sun ii. Practical consequences of the sun's motion ii. Motion of the moon iv. Eclipses v. Motion of the planets vi.
Early models vii.
The Copernican Revolution 1. Tycho Brahe 3. Galileo i. Work with the telescope ii. Gravitation and Celestial Mechanics 1. Units and vectors iii.