Galileo Galilei: Astronomer
- Galileo reporting to the funding agency
- Observations
- Moons of Jupiter (animation)
- Venus phases:
Ptolemaic vs
Copernican predictions
observed phases
Galileo Galilei: Physicist
- Free body motion
- Free fall ("Tower of Pisa" experiment)
Sir Isaac Newton
Newton's Laws
- Inertia
- F = ma
- Action-Reaction
illustrated in a jump shot
Explaining Kepler
Newton's Theory of Gravity
- Gravity on Earth
- Universal Gravitation
- Gravity and Planet Motion
- Testing Newton's Gravity
- source of Uranus orbit perturbations
- binary stars
- globular star clusters, e.g., 47 Tuc, Omega Cen
