Back الكتاب في دورات الكواكب السماوية Arabic Göy cisimlərinin fırlanması haqqında Azerbaijani За въртенето на небесните сфери Bulgarian De Revolutionibus Orbium Coelestium Catalan De revolutionibus orbium coelestium Czech De Revolutionibus Orbium Coelestium Welsh De revolutionibus orbium coelestium German De Revolutionibus Orbium Coelestium Greek De revolutionibus orbium coelestium Esperanto De revolutionibus orbium coelestium Spanish
 Original 1543 Nuremberg edition | |
| Author | Nicolaus Copernicus |
|---|---|
| Language | Latin |
| Subject | Astronomy |
| Publisher | Johannes Petreius (Nuremberg) |
Publication date | 1543 |
| Pages | 405 |
Original text | De revolutionibus orbium coelestium at Latin Wikisource |
De revolutionibus orbium coelestium (English translation: On the Revolutions of the Heavenly Spheres) is the seminal work on the heliocentric theory of the astronomer Nicolaus Copernicus (1473–1543) of the Polish Renaissance. 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.
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