File: Nikolaus Kopernikus. jpg | Nicolaus Copernicus ( 1473 – 1543 )

File: Nikolaus Kopernikus. jpg | Nicolaus Copernicus ( 1473-1543 ): published De revolutionibus orbium coelestium ( On the Revolutions of the Celestial Spheres ) in 1543-often considered the starting point of modern astronomy-in which he argued that the Earth and the other planets revolved around the Sun ( heliocentrism )

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