Al-Kharaqī
12th century Persian mathematician and astronomer
Abū Muḥammad 'Abd al-Jabbār al-Kharaqī , also Al-Kharaqī (1084-1158 [1] ) was a Persian [2] astronomer and mathematician of the 12th century, born in Kharaq near Merv . [3] He was in the service of Sultan Sanjar at the Persian Court. Al-Kharaqī challenged the astronomical theory of Ptolemy in the Almagest , and established an alternative theory of the spheres, imagining huge material spheres in which the planets moved inside tubes. [3]
During his travels to the Ottoman Empire in 1536, Guillaume Postel acquired an astronomical work by al-Kharaqī, Muntahā al-idrāk fī taqāsīm al-aflāk ("The Ultimate Grassp of the Divisions of Spheres"), annotated it, and brought it back to Europe. [4]
Al-Kharaqī also wrote mathematical treatises, now lost, Al-Risala al-Shāmila ("Comprehensive Treatise") and Al-Risala al-Maghribiyya ("The North African Treatise", related to the calculus of dirham and dinar ). [3]
Works
- Muntahā al-idrāk fī taqāsīm al-aflāk ("The Ultimate Grassp of the Divisions of Spheres") 1138/9
- Al-Risala al-Shāmila ("Comprehensive Treatise")
- Al-Risala al-Maghribiyya ("The North African Treatise")
Notes
- ↑ Akpınar, Cemil (1997). "HARAKĪ" . TDV İslâm Ansiklopedisi (in Turkish). Vol. 16. İstanbul: Türkiye Diyanet Vakfı . pp. 94–96.
-
↑
Selin, Helaine (2008).
Encyclopaedia of the history of science, technology, and medicine in non-western cultures
. Berlin New York: Springer. p.
134
.
ISBN
9781402049606
.
Abū Muh.ammad ˓Abd al-Jabbār ibn ˓Abd al-Jabbār al-Kharaqī was a Persian astronomer, mathematician and geographer.
- 1 2 3 Encyclopaedia of the history of science, technology, and medicine , ed. Helaine Selin , p.478
- ↑ Islamic science and the making of European Renaissance , by George Saliba, p.218 ISBN 978-0-262-19557-7
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