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
Nicolaus Copernicus that the earth orbited the sun. Further mathematical details of Aristarchus' heliocentric system were worked out around 150 BCE by the Hellenistic astronomer Seleucus of Seleucia. Though Aristarchus' original text has been lost, a reference in Archimedes' book "The Sand Reckoner" ("Archimedis Syracusani Arenarius & Dimensio Circuli") describes a work by Aristarchus in which he advanced the heliocentric model. Thomas Heath gives the following English translation of Archimedes' text: Copernicus cited Aristarchus of Samos in an early (unpublished) manuscript of "De Revolutionibus" (which still survives), though he removed the reference from his final published manuscript. Copernicus was probably aware that