Plato 384-BC 1.) His idea was that the stars, sun and moon were fixed to spheres, rotating inside one another. 2.) The sun, moon and planets were on the rims of whorls between the fixed stars and the earth. 3.) He believed that the universe was made of five types of matter: earth, air, fire, water and cosmos. (jan 1, 384 BC – jun 1, 377 BC)
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Date:
jan 1, 384 BC
jun 1, 377 BC
~ 6 years and 7 months