Season 1 · Episode 9 of 11
Aired May 18, 1997
Week 9: The Calendar (Late February)
Sun, May 18, 1997
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Leap Days: The Earth misses a quarter of a day. Gregorian and Orthodox calendars. Solar and lunar calendars. Solid and gaseous planets.
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Airs
Sun, May 18, 1997
Show
Spaceship Earth
52 episodes
Episode
S1 · E9
in Spaceship Earth