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HomeAbstracta IranicaVolume 3110. Histoire des sciences et des ...« Copernicus and his Islamic Pred...

259
Jamil F. Ragep

« Copernicus and his Islamic Predecessors: Some Historical Remarks ». History of Science, 45, 2007, p. 65-81.

Book review by Benno van Dalen

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1This article summarizes the various pieces of evidence that, since the beginning of the 20th century, have gradually built up to show Copernicus’s dependence on Islamic predecessors in the development of his heliocentric planetary theory. Starting with the occurrence in De revolutionibus of the so-called Ṭūsī couple and Ibn al-Shāṭir’s (ca. AD 1350) planetary models involving multiple epicycles, recently also cosmological arguments have been considered. The 15th-century astronomer ‘Alī Qūšjī, who initially worked at the observatory of Ulugh Beg in Samarkand and ended his career in the service of Mehmet II in Constantinople, not only proposed an astronomically based on physics, allowing a rotating earth, in order to replace the traditional Aristotelian physics, but also produced a proof of a theorem that allows epicycles in a planetary model to be converted to eccenters. The author argues that both these aspects have influenced Copernicus.

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Electronic reference

Benno van Dalen. Jamil F. Ragep, « « Copernicus and his Islamic Predecessors: Some Historical Remarks ». History of Science, 45, 2007, p. 65-81. », Abstracta Iranica [Online], Volume 31 | 2011, document 259, Online since 11 October 2012, connection on 28 May 2022. URL : http://journals.openedition.org/abstractairanica/39750 ; DOI : https://doi.org/10.4000/abstractairanica.39750

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