Nicolaus Copernicus Biography
Astronomer Nicolaus Copernicus, born February 19, 1473, theorized that the sun, not Earth, was the center of the Solar System.
Key Facts In This Video
Copernicus is most well-known for his theory that the Earth revolved around the Sun. (0:17)
In 1495 he went to Italy to study law at the behest of his uncle. (0:39)
Published in 1543, Copernicus's "On the Revolutions of the Celestial Spheres" can be seen as the beginnings of modern astronomy. (0:56)