Farghani
Farghani (Abu’l-‘Abbas Ahmad al-Farghani) (Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī)(Alfraganus) (9th century C.C.). Persian astronomer from Farghana who is known in the West as Alfraganus.
Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī was a Persian astronomer and one of the famous astronomers in the 9th century of the Christian calendar. He was involved in the measurement of the diameter of the Earth together with a team of scientists under the patronage of al-Ma'mūn in Baghdad. His textbook Elements of astronomy on the celestial motions, written about 833, was a competent descriptive summary of Ptolemy's Almagest. It was translated into Latin in the twelfth century and remained very popular in Europe until the time of Regiomontanus. Dante Alighieri's knowledge of Ptolemaic astronomy, which is evident in his Divina Commedia (Divine Comedy) as well as other works such as the Convivio, seems to have been drawn from his reading of Alfraganus. In the seventeenth century the Dutch orientalist Jacob Golius published the Arabic text on the basis of a manuscript he had acquired in the Near East, with a new Latin translation and extensive notes.
Later al-Farghani moved to Cairo, where he composed a treatise on the astrolabe around 856. There he also supervised the construction of the large Nilometer on the island of al-Rawda (in Old Cairo) in the year 861.
The crater Alfraganus on the Moon is named after him.
Abu’l-‘Abbas Ahmad al-Farghani see Farghani
Alfraganus see Farghani
Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī see Farghani
Farghani (Abu’l-‘Abbas Ahmad al-Farghani) (Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī)(Alfraganus) (9th century C.C.). Persian astronomer from Farghana who is known in the West as Alfraganus.
Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī was a Persian astronomer and one of the famous astronomers in the 9th century of the Christian calendar. He was involved in the measurement of the diameter of the Earth together with a team of scientists under the patronage of al-Ma'mūn in Baghdad. His textbook Elements of astronomy on the celestial motions, written about 833, was a competent descriptive summary of Ptolemy's Almagest. It was translated into Latin in the twelfth century and remained very popular in Europe until the time of Regiomontanus. Dante Alighieri's knowledge of Ptolemaic astronomy, which is evident in his Divina Commedia (Divine Comedy) as well as other works such as the Convivio, seems to have been drawn from his reading of Alfraganus. In the seventeenth century the Dutch orientalist Jacob Golius published the Arabic text on the basis of a manuscript he had acquired in the Near East, with a new Latin translation and extensive notes.
Later al-Farghani moved to Cairo, where he composed a treatise on the astrolabe around 856. There he also supervised the construction of the large Nilometer on the island of al-Rawda (in Old Cairo) in the year 861.
The crater Alfraganus on the Moon is named after him.
Abu’l-‘Abbas Ahmad al-Farghani see Farghani
Alfraganus see Farghani
Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī see Farghani
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