solar calendar: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Topics

solar day Gregorian calendar Julian calendar solar time calendar Sun Advent calendar Heliosphere Photosphere French republican calendar lunar calendar Julian period Corona Chromosphere solar energy 6 Questions About the Sun Answered

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

All About Astronomy