Week 6: Copernicus and Kepler (Early February)

May 18, 1997
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Spaceship Earth - S1 - E6

Week 6: Copernicus and Kepler (Early February)

Hidden planets. Kepler discovers the planets' timetable. The Earth moves more quickly in Winter. Earth overtakes Mars. Why we have two tides every day.

Spaceship Earth: Season 1 - 11 Episode s