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AL-SHĪRĀZĪ AND THE EMPIRICAL ORIGIN OF PTOLEMY'S EQUANT IN HIS MODEL OF THE SUPERIOR PLANETS
- Amir-Mohammad Gamini, Hossein Masoumi Hamedani
- Philosophy
- Arabic Sciences and Philosophy
- 1 March 2013
Abstract Ptolemy presents only one argument for the eccentricity in his models of the superior planets, while each one of them has two eccentricities: one for center of the uniform motion, the other… Expand
QUṬB AL-DĪN AL-SHĪRĀZĪ AND THE DEVELOPMENT OF NON-PTOLEMAIC PLANETARY MODELING IN THE 13th CENTURY
- Amir-Mohammad Gamini
- Philosophy
- 1 September 2017
Coming after Muʾayyad al-Dīn al-ʿUrḍī (1200–1266) and Naṣīr al-Dīn al-Ṭūsī (1201–1274), Quṭb al-Dīn al-Shīrāzī (1236–1311), a leading figure of the so-called Marāgha school in astronomy, presents his… Expand