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Carl Sagan | Cosmos 03 - Harmony of the Worlds (1980)

Cosmos: A Personal Voyage - Episode 3 Harmony of the Worlds. Originally aired in 1980, 500 million people watched, this thirteen-part television series, written by Carl Sagan, Ann Druyan, and Steven Soter, has captivated audiences around the world.

1980-10-12 19:00:00 - Carl Sagan

Beginning with the separation of the fuzzy thinking and pious fraud of astrology from the careful observations of astronomy, Sagan follows the development of astronomical observation.


Beginning with constellations and ceremonial calendars (such as those of the Anasazi), the story moves to the debate between Earth and Sun-centered models: Ptolemy and the geocentric worldview, Nicolaus Copernicus' theory, the data-gathering of Tycho Brahe, and the achievements of Johannes Kepler (Kepler's laws of planetary motion and the first science-fiction novel).

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