6:35

Precession of Earth's Axis - Working Model

9:16

Precession Explained, Schwartz, Cal Poly Physics

58:28

Kepler's Laws: Why Are Planetary Orbits Elliptical?

2:04

Gravitational Potential Energy

1:00:52

Warping and analogy

3:14

Precession of Earth

9:12

Gravitational Potential and Gravitational Potential Energy

3:06

Precession of the earth