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24 relations: Abd al-Rahman al-Sufi, Ali Qushji, Astronomy in the medieval Islamic world, Axial precession, Axial tilt, Book of Fixed Stars, Francis Baily, Gnomon, Jamshīd al-Kāshī, Maragheh observatory, Nicolaus Copernicus, Ptolemy, Samarkand, Sexagesimal, Sidereal year, Star catalogue, Taqi ad-Din Muhammad ibn Ma'ruf, Thābit ibn Qurra, Thomas Hyde, Tycho Brahe, Ulugh Beg, Ulugh Beg Observatory, Zij, Zij-i Ilkhani.
Abd al-Rahman al-Sufi
'Abd al-Rahman al-Sufi (عبدالرحمن صوفی (December 7, 903 in Rey, Iran – May 25, 986 in Shiraz, Iran) was a Persian astronomer also known as 'Abd ar-Rahman as-Sufi, 'Abd al-Rahman Abu al-Husayn, 'Abdul Rahman Sufi, or 'Abdurrahman Sufi and, historically, in the West as Azophi and Azophi Arabus. The lunar crater Azophi and the minor planet 12621 Alsufi are named after him. Al-Sufi published his famous Book of Fixed Stars in 964, describing much of his work, both in textual descriptions and pictures. Al-Biruni reports that his work on the ecliptic was carried out in Shiraz. He lived at the Buyid court in Isfahan.
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Ali Qushji
Ala al-Dīn Ali ibn Muhammed (1403 – 16 December 1474), known as Ali Qushji (Ottoman Turkish/Persian language: علی قوشچی, kuşçu – falconer in Turkish; Latin: Ali Kushgii) was an astronomer, mathematician and physicist originally from Samarkand, who settled in the Ottoman Empire some time before 1472.
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Astronomy in the medieval Islamic world
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.
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Axial precession
In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.
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Axial tilt
In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.
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Book of Fixed Stars
The Book of Fixed Stars (كتاب صور الكواكب) is an astronomical text written by Abd al-Rahman al-Sufi (Azophi) around 964.
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Francis Baily
Francis Baily (28 April 177430 August 1844) was an English astronomer.
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Gnomon
A gnomon (from Greek γνώμων, gnōmōn, literally: "one that knows or examines") is the part of a sundial that casts a shadow.
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Jamshīd al-Kāshī
Ghiyāth al-Dīn Jamshīd Masʿūd al-Kāshī (or al-Kāshānī) (غیاث الدین جمشید کاشانی Ghiyās-ud-dīn Jamshīd Kāshānī) (c. 1380 Kashan, Iran – 22 June 1429 Samarkand, Transoxania) was a Persian astronomer and mathematician.
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Maragheh observatory
Maragheh observatory (رصدخانه مراغه), was an institutionalized astronomical observatory which was established in 1259 CE under the patronage of the Ilkhanid Hulagu and the directorship of Nasir al-Din al-Tusi, a Persian scientist and astronomer.
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Nicolaus Copernicus
Nicolaus Copernicus (Mikołaj Kopernik; Nikolaus Kopernikus; Niklas Koppernigk; 19 February 1473 – 24 May 1543) was a Renaissance-era mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe, likely independently of Aristarchus of Samos, who had formulated such a model some eighteen centuries earlier.
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Ptolemy
Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.
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Samarkand
Samarkand (Uzbek language Uzbek alphabet: Samarqand; سمرقند; Самарканд; Σαμαρκάνδη), alternatively Samarqand, is a city in modern-day Uzbekistan and is one of the oldest continuously inhabited cities in Central Asia.
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Sexagesimal
Sexagesimal (base 60) is a numeral system with sixty as its base.
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Sidereal year
A sidereal year (from Latin sidus "asterism, star") is the time taken by the Earth to orbit the Sun once with respect to the fixed stars.
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Star catalogue
A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.
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Taqi ad-Din Muhammad ibn Ma'ruf
Taqi al-Din Muhammad ibn Ma'ruf ash-Shami al-Asadi (Arabic: تقي الدين محمد بن معروف الشامي, Turkish: Takiyüddin or Taki) (1526–1585) was an Ottoman polymath active in Constantinople.
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Thābit ibn Qurra
(ثابت بن قره, Thebit/Thebith/Tebit; 826 – February 18, 901) was a Syrian Arab Sabian mathematician, physician, astronomer, and translator who lived in Baghdad in the second half of the ninth century during the time of Abbasid Caliphate.
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Thomas Hyde
Thomas Hyde (29 June 1636 – 18 February 1703) was an English orientalist.
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Tycho Brahe
Tycho Brahe (born Tyge Ottesen Brahe;. He adopted the Latinized form "Tycho Brahe" (sometimes written Tÿcho) at around age fifteen. The name Tycho comes from Tyche (Τύχη, meaning "luck" in Greek, Roman equivalent: Fortuna), a tutelary deity of fortune and prosperity of ancient Greek city cults. He is now generally referred to as "Tycho," as was common in Scandinavia in his time, rather than by his surname "Brahe" (a spurious appellative form of his name, Tycho de Brahe, only appears much later). 14 December 154624 October 1601) was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations.
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Ulugh Beg
Mīrzā Muhammad Tāraghay bin Shāhrukh (میرزا محمد طارق بن شاہ رخ, میرزا محمد تراغای بن شاہ رخ), better known as Ulugh Beg (March 22, 1394 in Sultaniyeh, Persia – October 27, 1449, Samarkand), was a Timurid ruler as well as an astronomer, mathematician and sultan.
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Ulugh Beg Observatory
The Ulugh Beg Observatory is an observatory in Samarkand, Uzbekistan.
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Zij
A zīj (زيج) is an Islamic astronomical book that tabulates parameters used for astronomical calculations of the positions of the Sun, Moon, stars, and planets.
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Zij-i Ilkhani
Zīj-i Īlkhānī (زیجِ ایلخانی) or Ilkhanic Tables (literal translation: "The Ilkhan Stars", after ilkhan Hulagu, who was the patron of the author at that time) is a Zij book with astronomical tables of planetary movements.
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References
[1] https://en.wikipedia.org/wiki/Zij-i_Sultani
