![]() It contains the mathematical and astronomical data that form the basis of the Copernican system.Ĭentral to his model is his proposal that the earth has three distinct motions: a daily axial rotation, an annual rotation about the sun, and a third motion related to precession (the 25,800-year long cycle reflecting the changing position of the Earth in space). He placed the sun as the center of the solar system, not the earth, and thereby provided a new understanding of the planets and their movement - a scientific revolution.Īfter years of study and just before his death in 1543, Nicolaus Copernicus published his masterpiece, On the Revolutions of the Heavenly Spheres ( De Revolutionibus Orbitum Coelestium). ![]() ![]() Polish astronomer Mikołaj Kopernik, better known as Nicolaus Copernicus, is one of the greatest figures in science. ![]()
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