Read about Nicolaus Copernicus's concept of a heliocentric system, in which planets revolve around the Sun—and the Catholic Church's reaction—on ...

In the 1500s, when most believed Earth was the center of the universe, Nicolas Copernicus proposed his theory that the planets revolved around the sun.

Nicolaus Copernicus is the Latin version of the famous astronomer's name which he chose later in his life. The original form of his name was Mikolaj Kopernik or ...