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Nicolaus Copernicus was born 1473
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Nicolaus Copernicus went to the university of Krakow in 1491
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In 1510 Nicolaus moved and started studying astronomy in the University of Bologna
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In 1514 Nicolaus discovered his theory, the heliocentric system placing the sun in the center of the solar system not the earth
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In 1543 Nicolaus Copernicus died of a stroke