Al-Urdi (full name: Moayad Al-Din Al-Urdi Al-Amiri Al-Dimashqi) [1] (Arabic: مؤيد الدين العرضي العامري الدمشقي) (d. 1266) was a medieval Syrian Arab astronomer and geometer.

Jul 22, 2018 · Al-Urdi, Arab Muslim astronomer, mathematician and architect. He is known for being the first of the Maragheh astronomers to develop a non-Ptolemaic model of planetary motion. The “Urdi lemma” he developed was later used in the heliocentric Copernican model of Nicolaus Copernicus in the 16th century.

Al-Udri or Al-Udhri (in full Abu al-abbas Ahmad ibn Umar ibn Anas ibn Dilhat ibn Abu al-Jiyar Anas ibn Faladan ibn Imran ibn Munayb ibn Zugayba ibn Qutba al-Udri, Arabic: أحمد بن عمر بن انس بن دلهاث بن انس بن فلذان بن عمر بن منيب العذري, 1003–1085), was an Arab Geographer, traveler and historian of al-Andalus.

Jan 1, 2016 · Mu ˒ ayyad al-Dīn ibn Barmak al- ˓ Urḍī al-Dimashqī (thirteenth century) was an astronomer, architect, and engineer. He was born in Damascus and first worked in Syria. He did some hydraulic engineering in Damascus and constructed an astronomical instrument for the ruler of Hims (Emessa), al-Manṣūr Ibrāhīm (1239–1245).

Al-Urdi; (full name: Muʾayyad (al‐Milla wa‐) al‐Dīn (Muʾayyad ibn Barīk [Burayk]) al‐ʿUrḍī (al‐ʿĀmirī al‐Dimašqī) (مؤيد (الملة و) الدين (مؤيد ابن بريك) ألعرضي (العامري الدمشقي d. 1266) was a medieval Arab astronomer and geometer.

Mu’ayyad al-Din al-’Urdi (sometimes given the epithet al-ʿĀmirī al-Dimashqī; born c. 1200 probably in Urd, Syria – 1266 Maragha, Iran) [1] was a major figure in 13th-century Islamic astronomy. He worked as an engineer and teacher of geometry in Damascus, and built instruments for al-Malik al-Mansur of Hims.

ʿUrḍī's Risāla fī Kayfiyyat al‐arṣād (or simply Risālat al‐Raṣd) is a rich and informative treatise on observational instruments, preserved in a unique manuscript in Paris. Some of the instruments mentioned in this treatise were well known, others were invented by ʿUrḍī himself.

Al-Urdi (full name: Moayad Al-Din Al-Urdi Al-Amiri Al-Dimashqi) (Arabic: مؤيد الدين العرضي العامري الدمشقي) (d. 1266) was a medieval Syrian Arab astronomer and geometer.

Mu’ayyad al-Din al-’Urdi was an Muslim astronomer, mathematician, architect and engineer working at the Maragheh observatory. He was born in Aleppo,todays Syria, and later moved to Maragheh, Azarbaijan, to work at the Maragha observatory under the …

Mar 22, 2005 · Al Urdi (d. 1266) from Aleppo, is famed for his Kitab Al-Hayah (A Book on astronomy). He was the first astronomer associated with Maragha to initiate constructing planetary models. He built astronomical instruments and wrote The instruments of …