File:Khwārezm tmo 2017232.jpg
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Summary
| Description |
English: On August 20, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image of present-day Khwārezm, which sits along the borders of Turkmenistan and Uzbekistan. Though the region is arid, the Amu Darya provides enough water to irrigate large swaths of the desert—even as it has caused the Aral Sea to shrink.
One of Khwārezm’s most famous residents was Muhammad ibn Mūsa al-Khwarizmī, an influential 9th century scholar, astronomer, geographer, and mathematician known especially for his contributions to the study of algebra. Indeed, the latinization of his name, which meant ‘the native of Khwãrezm’ in Persian, gave English the word algorithm. He wrote a book in Arabic about Hindu-Arabic numerals; the Latin translation of the book title was Algoritmi de numero Indorum (in English: Al-Khwarizmi on the Hindu Art of Reckoning). The Latin algoritmi became algorithm in English.Deutsch: Am 20. August 2017 wurde vom Moderate Resolution Imaging Spectroradiometer (MODIS) auf dem Terra-Statelliten der NASA diese Aufnahme des heutigen Choresmien angefertigt. Diese Region liegt beiderseits der Grenze von Turkmenistan und Usbekistan. Obwohl das Klima der Region arid ist, stellt der Amu Darya genügend Wasser zur Bewässerung großer Bereiche der Wüste zur Verfügung – obwohl der Aralsee geschrumpft ist.
Einer der bekanntesten Bewohner Choresmiens war al-Chwarizmi, ein Universalgelehrter, Astronom, Geograph und Mathematiker aus dem 9. Jahrhundert, der besonders für seinen Beitrag zur Erforschung der Algebra bekannt wurde. Tatsächlich ist die Lateinisierung seines Names der auf Persisch ‘der in Chroesmien Geborene’ bedeudet, die Herkunft des Begriffes Algorithmus. Er schrieb ein Buch in Arabisch über indisch-arabische Zahlen; der lateinisch übersetzte Titel des Buches war Algoritmi de numero Indorum (auf Deutsch: „Al-Chwarizmi über die indischen Zahlen“). Aus dem Lateinischen algoritmi wurde im Deutschen Algorithmus. |
| Date | |
| Source | https://earthobservatory.nasa.gov/IOTD/view.php?id=91544 |
| Author | NASA Earth Observatory image by Jesse Allen, using MODIS data from LANCE/EOSDIS Rapid Response. Story by Adam Voiland. |
| Other versions |
 high resolution, unlabeled |
- References
- Encyclopedia Britannica https://www.britannica.com/place/Khwarezm Khwārezm]. Accessed January 5, 2018.
- Encyclopedia Britannica Al-Khwārizmī. Accessed January 5, 2018.
- History of Information Algorithm Invented; Introduction of the Decimal Positional Number System to the West. Accessed January 5, 2018.
- Universitat Klagenfurt History of Algorithms. Accessed January 5, 2018.
- NASA Algorithm Theoretical Basis Documents. Accessed January 5, 2018.
- The Story of Mathematics Al Khwarizmī. Accessed January 5, 2018.
- Slate What’s the Deal with Algorithms? Accessed January 5, 2018.
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:31, 13 January 2018 | | 720 × 480 (169 KB) | Matthiasb | {{Information |Description ={{en|1=On August 20, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image of present-day Khwārezm, which sits along the borders of Turkmenistan and Uzbekistan. T... |
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