Spaceship Earth

Week 9: The Calendar (Late February)

S1 • E9    May 18, 1997    5m
Leap Days: The Earth misses a quarter of a day. Gregorian and Orthodox calendars. Solar and lunar calendars. Solid and gaseous planets.

Where to Watch Spaceship Earth - S1 • E9

Cast of Week 9: The Calendar (Late February)

  • Stéphane FreissVoix off

 

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