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Unformatted text preview: Star catalogue (Hipparchus), instruments A theory (model) of the motions of planets, Sun, Moon (Handy Tables) Based on Babylonian observations, preserved by Arabs, translated into Latin in 12th century Also wrote books on Geography and Astrology Geocentric Model Earth is at center Sun orbits Earth Planets orbit on small circles whose centers orbit the Earth on larger circles the small circles are called epicycles This explained retrograde motion...
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- Spring '08
- Astronomy, Planet, Babylonian astronomy, Almagest, Ancient Astronomy Cont