Copernicus

(kō pʉr′ni kəs)

Copernicus, Nicolaus (L. form of Mikolaj Kopernik) 1473-1543; Pol. astronomer

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See Copernicus in American Heritage Dictionary 4

Polish astronomer who advanced the theory that Earth and the other planets revolve around the sun, disrupting the Ptolemaic system of astronomy.

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