Mo'ayyeduddin Urdi

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Mu’ayyad al-Din al-’Urdi (d. 1266) was one of the astronomers of the Maragha observatory in Maragha, East Azerbaijan, Persian Empire, who worked under the guidance of Nasir al-Din Tusi.

[edit] See also

• Zij-i Ilkhani

[edit] Reference

• George Saliba, "The Astronomical Work of Mu'ayyad al-Din al-'Urdi (d. 1266): A Thirteenth Century Reform of Ptolemaic Astronomy", Markaz dirasat al-Wahda al-'Arabiya, Beirut, 1990.

[edit] External link

• Islamic astronomy