Week 7: Gravity (Early/Mid-February) - S1.E7 - Spaceship Earth
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.
Week 7: Gravity (Early/Mid-February) - S1.E7 - Spaceship Earth
May 18, 1997
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