ASTRONOMER

Ahmad ibn Muhammad ibn Kathir al-Farghani

810 - 860

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Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī (Arabic: أبو العبّاس أحمد بن محمد بن كثير الفرغاني) also known as Alfraganus in the West (c. 800 – 870), was an astronomer in the Abbasid court in Baghdad, and one of the most famous astronomers in the 9th century. Al-Farghani composed several works on astronomy and astronomical equipment that were widely distributed in Arabic and Latin and were influential to many scientists. His best known work, Kitāb fī Jawāmiʿ ʿIlm al-Nujūmi (whose name translates to Elements of astronomy on the celestial motions), was an extensive summary of Ptolemy's Almagest containing revised and more accurate experimental data. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ahmad ibn Muhammad ibn Kathir al-Farghani has received more than 64,839 page views. His biography is available in 33 different languages on Wikipedia. Ahmad ibn Muhammad ibn Kathir al-Farghani is the 87th most popular astronomer (down from 79th in 2019), the 15th most popular biography from Uzbekistan (up from 18th in 2019) and the most popular Uzbekistani Astronomer.

Ahmad ibn Muhammad ibn Kathir al-Farghani is most famous for his discovery of the law of conservation of momentum, which states that in an isolated system, the total momentum of the system remains constant.

Memorability Metrics

  • 65k

    Page Views (PV)

  • 61.52

    Historical Popularity Index (HPI)

  • 33

    Languages Editions (L)

  • 5.34

    Effective Languages (L*)

  • 2.96

    Coefficient of Variation (CV)

Page views of Ahmad ibn Muhammad ibn Kathir al-Farghanis by language

Over the past year Ahmad ibn Muhammad ibn Kathir al-Farghani has had the most page views in the with 75,392 views, followed by Russian (23,017), and Turkish (22,319). In terms of yearly growth of page views the top 3 wikpedia editions are Uzbek (90.79%), Javanese (65.72%), and Serbo-Croatian (42.80%)

Among ASTRONOMERS

Among astronomers, Ahmad ibn Muhammad ibn Kathir al-Farghani ranks 87 out of 644Before him are Abū Ishāq Ibrāhīm al-Zarqālī, Percival Lowell, Lewis A. Swift, Ejnar Hertzsprung, Giovanni Battista Riccioli, and Victor Ambartsumian. After him are Edward Emerson Barnard, Joseph Hooton Taylor Jr., Girolamo Fracastoro, Johann Palisa, Karl Ludwig Hencke, and Petrus Apianus.

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Contemporaries

Among people born in 810, Ahmad ibn Muhammad ibn Kathir al-Farghani ranks 6Before him are Muhammad al-Bukhari, Abbas ibn Firnas, Pope Benedict III, John Scotus Eriugena, and Kenneth MacAlpin. After him are Halfdan the Black, Kassia, Emperor Xuanzong of Tang, García Íñiguez of Pamplona, Hastein, and Eberhard of Friuli. Among people deceased in 860, Ahmad ibn Muhammad ibn Kathir al-Farghani ranks 2Before him is Pribina. After him are Æthelbald, King of Wessex, Halfdan the Black, and Guy I of Spoleto.

Others Born in 810

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Others Deceased in 860

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In Uzbekistan

Among people born in Uzbekistan, Ahmad ibn Muhammad ibn Kathir al-Farghani ranks 15 out of 190Before him are Baha-ud-Din Naqshband Bukhari (1327), Shavkat Mirziyoyev (1957), Shah Rukh (1377), Isma'il ibn Ahmad (849), Alp-Tegin (963), and Mohammed Alim Khan (1880). After him are Habibullah Khan (1872), Sadriddin Ayni (1878), Yaqub Beg (1820), Abdal-Latif Mirza (1420), Alisher Usmanov (1953), and Abdullah Khan II (1533).

Among ASTRONOMERS In Uzbekistan

Among astronomers born in Uzbekistan, Ahmad ibn Muhammad ibn Kathir al-Farghani ranks 1After him are Ali Qushji (1403).