Nicolaus Copernicus Biography
Astronomer Nicolaus Copernicus, born February 19, 1473, theorized that the sun, not Earth, was the center of the Solar System.
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Key Facts In This Video
Copernicus is most well-known for his theory that the Earth revolved around the Sun. 00:17
In 1495 he went to Italy to study law at the behest of his uncle. 00:39
Published in 1543, Copernicus's "On the Revolutions of the Celestial Spheres" can be seen as the beginnings of modern astronomy. 00:56