Original: Nicolaus Copernicus (;;; in his youth, Niclas Koppernigk;; 19 February 1473 â "24 May 1543) was a Renaissance astronomer and the first person to formulate a comprehensive heliocentric cosmology, which displaced the Earth from the center of the universe.
Simplified: Nicolaus Copernicus (19 February 1473 â "24 May 1543) was an astronomer.