Today in Astronomy-Nicolaus Copernicus
Linking to “Today In Astronomy” to honor Copernicus.
February 19, 1473 – May 24, 1543
Nicolaus Copernicus was the first astronomer to formulate a scientifically-based heliocentric cosmology that displaced the Earth from the center of the universe. His epochal book, De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), is often regarded as the starting point of modern astronomy and the defining epiphany that began the Scientific Revolution.