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Another important astronomer from al-Andalus was Maslama al-Majriti (d. 1007), who played a role in translating and writing about Ptolemy's Planisphaerium and Almagest. He built on the work of older astronomers, like Muhammad ibn Musa al-Khwarizmi, whose astronomical tables he wrote a discussion on and subsequently improved.
Medieval Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language. These developments mostly took place in the Middle East, Central Asia, Al-Andalus, and North Africa, and later in the Far East and India.
Al-Majrīṭī was one of the earliest alchemists to record the usage and experimentation of mercury(II) oxide. According to Said al-Andalusi, he was the best mathematician and astronomer of his time in al-Andalus. [7]: 64 He also introduced new surveying methods by working closely with his colleague ibn al-Saffar.
Alī ibn Khalaf (Arabic: علي بن خلف الأندلسي) was an Andalusian astronomer [1] who belonged to the scientific circle of Ṣāʿid al- Andalusī. [2] He devised, with help from al-Zarqali, the universal astrolabe. [3] Both Khalaf and al-Zarqali's design were included in the Libros del Saber (1227) of Alfonso X of Castile. [4]
He is known to modern scholars for his al‐Zīj al‐kāmil fī al‐talim (1204/5), which was had a great influence on the development of Islamic astronomy and which has provided important information on astronomers from Al-Andalus, including the instrument maker and astrologer Al-Zarqali.
Nūr al-Dīn ibn Isḥaq al-Biṭrūjī (Arabic: نور الدين ابن إسحاق البطروجي, died c. 1204), known in the West by the Latinized name of Alpetragius, was an Arab [2] [3] astronomer and qadi in al-Andalus. [4] Al-Biṭrūjī was the first astronomer to present the concentric spheres model as an alternative to the ...
Art from Toledo in Al-Andalus depicting the Alcázar in the year 976.AD. He was trained as a metalsmith and due to his skills he was nicknamed Al-Nekkach "the engraver of metals". His Latinized name, 'Arzachel' is formed from the Arabic al-Zarqali al-Naqqash, meaning 'the engraver'. [4] He was particularly talented in geometry and astronomy.
A Christian and a Muslim playing chess, illustration from the Book of Games of Alfonso X (c. 1285). [1]During the High Middle Ages, the Islamic world was an important contributor to the global cultural scene, innovating and supplying information and ideas to Europe, via Al-Andalus, Sicily and the Crusader kingdoms in the Levant.