21 St. 52 Min, 31 Dez 370 Jahr v. Chr. - Eudoxus of Cnidus
Beschreibung:
 Eudoxus of Cnidus created a mechanical system that explained the motions of the planets. This mechanical system introduced the geocentric theory. This theory stated that the sun, moon, and stars all revolved around the earth. 
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Datum:
21 St. 52 Min, 31 Dez 370 Jahr v. Chr.
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 ~ 2398 years ago