Nicolaus Copernicus Monument, Toruń earth, stopper of the sun and heavens"). In 2003, on the 150th anniversary of its construction, the monument was renovated. As part of the renovations, the stone water well and the dolphin's mouth at the foot of the statue were restored. Celebrations of the 150th anniversary of the monument were held on 25 October 2003, attended by the Marshal of the Sejm of the Republic of Poland, Marek Borowski. Nicolaus Copernicus Monument, Toruń The Nicolaus Copernicus Monument in the home town of astronomer Nicolaus Copernicus (1473–1543) was erected in 1853 by a "monument committee" of the city's residents. King Frederick
De revolutionibus orbium coelestium De revolutionibus orbium coelestium De revolutionibus orbium coelestium ("On the Revolutions of the Heavenly Spheres") is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus (1473–1543). The book, first printed in 1543 in Nuremberg, Holy Roman Empire, offered an alternative model of the universe to Ptolemy's geocentric system, which had been widely accepted since ancient times. Copernicus initially outlined his system in a short, untitled, anonymous manuscript that he distributed to several friends, referred to as the "Commentariolus". A physician's library list dating to 1514 includes a manuscript whose description matches the "Commentariolus", so Copernicus must