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- Abū_Ja'far_al-Khāzin abstract "Abu Jafar Muhammad ibn Hasan Khazini (900–971) was a Persian Muslim astronomer and mathematician from Khorasan. He worked on both astronomy and number theory.Khazini was one of the scientists brought to the court in Ray, Iran by the ruler of the Buyid dynasty, Adhad ad-Dowleh, who ruled from 949 to 983 AD. In 959/960 Khazini was required by the Vizier of Ray, who was appointed by ad-Dowleh, to measure the obliquity of the ecliptic.One of al-Khazin's works Zij al-Safa'ih ("Tables of the disks of the astrolabe") was described by his successors as the best work in the field and they make many references to it. The work describes some astronomical instruments, in particular an astrolabe fitted with plates inscribed with tables and a commentary on the use of these. A copy of this instrument was made but vanished in Germany at the time of World War II. A photograph of this copy was taken and examined in D.A. King's New light on the Zij al-Safa'ih of Abu Ja'far al-Khazin, Centaurus 23 (2) (1979/80), 105-117.Khazeni also wrote a commentary on Ptolemy's Almagest in which he gives nineteen propositions relating to statements by Ptolemy. He also proposed a different solar model from that of Ptolemy.".
- Abū_Ja'far_al-Khāzin birthDate "0900".
- Abū_Ja'far_al-Khāzin deathDate "0971".
- Abū_Ja'far_al-Khāzin wikiPageID "1759881".
- Abū_Ja'far_al-Khāzin wikiPageRevisionID "594893874".
- Abū_Ja'far_al-Khāzin dateOfBirth "900".
- Abū_Ja'far_al-Khāzin dateOfDeath "971".
- Abū_Ja'far_al-Khāzin id "Al-Khazin".
- Abū_Ja'far_al-Khāzin name "Khazin, Abu Jafar Al".
- Abū_Ja'far_al-Khāzin shortDescription "Persian astronomer and mathematician".
- Abū_Ja'far_al-Khāzin title "Abu Jafar Muhammad ibn al-Hasan Al-Khwarizmi".
- Abū_Ja'far_al-Khāzin description "Persian astronomer and mathematician".
- Abū_Ja'far_al-Khāzin subject Category:10th-century_Iranian_people.
- Abū_Ja'far_al-Khāzin subject Category:10th-century_astronomers.
- Abū_Ja'far_al-Khāzin subject Category:10th-century_mathematicians.
- Abū_Ja'far_al-Khāzin subject Category:900_births.
- Abū_Ja'far_al-Khāzin subject Category:971_deaths.
- Abū_Ja'far_al-Khāzin subject Category:Astronomers_of_medieval_Islam.
- Abū_Ja'far_al-Khāzin subject Category:Buyid_scholars.
- Abū_Ja'far_al-Khāzin subject Category:Mathematicians_of_medieval_Islam.
- Abū_Ja'far_al-Khāzin subject Category:Medieval_Iraqi_astronomers.
- Abū_Ja'far_al-Khāzin subject Category:Medieval_Iraqi_mathematicians.
- Abū_Ja'far_al-Khāzin subject Category:Medieval_Persian_mathematicians.
- Abū_Ja'far_al-Khāzin type Agent.
- Abū_Ja'far_al-Khāzin type Person.
- Abū_Ja'far_al-Khāzin type Person.
- Abū_Ja'far_al-Khāzin type Q215627.
- Abū_Ja'far_al-Khāzin type Q5.
- Abū_Ja'far_al-Khāzin type Agent.
- Abū_Ja'far_al-Khāzin type NaturalPerson.
- Abū_Ja'far_al-Khāzin type Thing.
- Abū_Ja'far_al-Khāzin type Person.
- Abū_Ja'far_al-Khāzin comment "Abu Jafar Muhammad ibn Hasan Khazini (900–971) was a Persian Muslim astronomer and mathematician from Khorasan. He worked on both astronomy and number theory.Khazini was one of the scientists brought to the court in Ray, Iran by the ruler of the Buyid dynasty, Adhad ad-Dowleh, who ruled from 949 to 983 AD.".
- Abū_Ja'far_al-Khāzin label "Abū Ja'far al-Khāzin".
- Abū_Ja'far_al-Khāzin label "Ал-Хазин".
- Abū_Ja'far_al-Khāzin label "أبو جعفر الخازن".
- Abū_Ja'far_al-Khāzin sameAs Ab%C5%AB_Ja'far_al-Kh%C4%81zin.
- Abū_Ja'far_al-Khāzin sameAs Abū_Ja'far_al-Khāzin.
- Abū_Ja'far_al-Khāzin sameAs Q2991000.
- Abū_Ja'far_al-Khāzin sameAs Q2991000.
- Abū_Ja'far_al-Khāzin wasDerivedFrom Abū_Ja'far_al-Khāzin?oldid=594893874.
- Abū_Ja'far_al-Khāzin givenName "Abu Jafar Al".
- Abū_Ja'far_al-Khāzin name "Abu Jafar Al Khazin".
- Abū_Ja'far_al-Khāzin surname "Khazin".