Spaceship Earth
An educational series explaining the operation of the solar system using 3D animation. Its 52 episodes provide a week-by-week description of the operation of the solar system.
7. Week 7: Gravity (Early/Mid-February)
0.0May 18, 1997 · 5 min
Why the Earth is round. Newton's apple. Why the Earth does not fall into the Sun. Three minutes more Sun every day. Sundials and the Earth's axis. Comets.