Ptolemaic Astronomy

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developments, Muslim astronomers began to have difficulty making a living through simply following and building upon Greek astronomers . Instead of simply finding the positions of planets and stars and predicting their future locations, astronomers now had to pursue complicated topics such as combining Ptolemaic astronomy with the universal system of Aristotle. Questions like these required independent thought and research and often could not be seriously studied through only the works of Ptolemy . The works of Muhammad bin Musa bin Shakir in the 9th century and Ibn al-Haitham both disproved certain aspects of the Ptolemaic system and thus allowed Muslim astronomers to begin to stray further from Hellenistic ideals. After the publication of such opposing works, Ptolemaic works became only useful in astrology, a study that was already on the …show more content…

There existed “tens of scientists in almost every discipline” who were still able to pursue new scientific knowledge . Furthermore, this period constitutes Saliba’s “golden age of Islamic astronomy” in which both theoretical and mathematical progress in astronomy was far greater than in caliphal times. Planetary science became far more sophisticated than it had been in previous centuries due to the works of Khafri and al-Shatir. Moreover, these astronomers were not the only scientists to produce great discoveries during this time. There was a continuation of novel research in various other fields, such as medicine and mechanical engineering, after the fall of the caliphate. It is difficult to reconcile this continued development of science after the works of al-Ghazali with the commonly accepted narrative of the decline of Muslim society. In order to make sense of these two various descriptions of Islamic scientific progress, one must look at the definition of scientific advancement that is

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