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Al-Battani

( Syria astrologer, astronomer and mathematician)

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Biography Al-Battani
(romanized. Albategnius) Abu Abdallah Muhammad ibn Jabir ibn Sinan
(ca. 858, Haran, near Urfa, now on the territory. Turkey - 929, near Samarra, is now on the territory. Iraq
It is considered one of the greatest astronomers of the Muslim world. Was known in medieval Europe as Albategnius and Mohammed Araktensky.
B. - Saby Haran, who came from Battal (Syria), son of the manufacturer of astronomical instruments. From 877 g. B. conducted long-term astronomical observations in Rakka on the Euphrates (now Al-Rakka in Syria), also worked in Baghdad. B. was basically a follower of Ptolemy. He improved the technique of astrological calculations, . A method for calculating the spherical triangles, . underlying the calculation of homes horoscope; a more accurate table movement of the Sun and the Moon; rather, . than Ptolemy, . determined the obliquity of the ecliptic to the celestial equator; found a more accurate value of the precession and the length of the year,
. B. - Author of a number of astronomical and astrological works, in t.ch. "Sabean Zij", "Books on the definition of signs of the Zodiac climbs between the quadrants of the celestial sphere," extensive comments to "Tetrabiblosu" Ptolemy (not extant). Home work B., containing astronomical tables, was translated into Latin ca. 1116 g. and Spanish - in the XIII century. B. stated: "Science stars immediately follows the religion, as is the most noble and perfect of the sciences ... because it tends to the knowledge of the divine unity and the supreme divine wisdom and power ".
In honor of B. named a mountain valley on the lunar surface (Albategnius).


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Al-Battani, photo, biography Al-Battani  Syria astrologer, astronomer and mathematician, photo, biography
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