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  1. Quṭb al-dīn al-shīrāzī and the development of non-ptolemaic planetary modeling in the 13 th century.Amir-Mohammad Gamini - 2017 - Arabic Sciences and Philosophy 27 (2):165-203.
    Coming after Muʾayyad al-Dīn al-ʿUrḍī and Naṣīr al-Dīn al-Ṭūsī, Quṭb al-Dīn al-Shīrāzī, a leading figure of the so-called Marāgha school in astronomy, presents his predecessors’ non-Ptolemaic models and criticizes them in his threehayʾabooks. Since his own new models inNihāyat al-idrāk andIkhtiyārāt muẓaffarī are not without difficulties, in his latest book onhayʾa,al-Tuḥfa al-shāhiyya he puts forward his modified models inspired from Ṭūsī’s and ʿUrḍī’s models and produces a series of new models for Mercury and the oscillation of the spheres. Nevertheless, in (...)
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  • (1 other version)Copernicus and His Islamic Predecessors: Some Historical Remarks.F. Jamil Ragep - 2007 - History of Science 45 (1):65-81.
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  • The first Copernican was Copernicus: the difference between Pre-Copernican and Copernican heliocentrism.Christián C. Carman - 2018 - Archive for History of Exact Sciences 72 (1):1-20.
    It is well known that heliocentrism was proposed in ancient times, at least by Aristarchus of Samos. Given that ancient astronomers were perfectly capable of understanding the great advantages of heliocentrism over geocentrism—i.e., to offer a non-ad hoc explanation of the retrograde motion of the planets and to order unequivocally all the planets while even allowing one to know their relative distances—it seems difficult to explain why heliocentrism did not triumph over geocentrism or even compete significantly with it before Copernicus. (...)
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