Abū Muḥammad 'Abd al-Jabbār al-Kharaqī, also Al-Kharaqī was
a Persian astronomer and mathematician of the 12th century,
born in Kharaq near Merv. 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.
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.
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).
Note of Guillaume
Postel on the Arabic astronomical manuscript of al-Kharaqī, Muntahā
al-idrāk fī taqāsīm al-aflāk ("The Ultimate Grasp of the
Divisions of Spheres").
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").
Sumber
Labels:
Mathematician
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