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What is Ancient Models of the Universe Explained about?

Ptolemy proposed a geocentric model of the universe with the Earth at the center nested within 27 spheres to explain the motions of the Sun, Moon, planets and stars, which was later improved upon by Copernicus who placed the Sun at the center in a heliocentric model that better explained retrograde planetary motion through epicycles.

Author

Rodel Toling

Language

EN