You are seeing Ask web results for ALBATEGNIUS.
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Albategnius (crater) - Wikipedia, the free encyclopedia
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Muhammad ibn Jābir al-Harrānī al-Battānī - Wikipedia, the free encyclopedia
Abu Abdallah Muhammad ibn Jabir ibn Sinan ar-Raqqi al-Harrani as-Sabi al-Batani (Arabic محمد بن جابر بن سنان البتاني `Abū `Abd Allāh Muḥammad ibn Jābir ibn Sinān ar-Raqqī al-Ḥarrānī aṣ-Ṣābi` al-Batt...
en.wikipedia.org/wiki/Muhammad_ibn_Jābir_al-Harrānī_al-... en.wikipedia.org/wiki/Muhammad_ibn_Jābir_al-Harrānī_al-Battānī |
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A biography of the ancient Arabian scientist Albategnius or Albatani. ... In trigonometry, Albategnius introduced an important innovation--the use of the semi-chord of the double arc for the chords employed by Hipparchus and Ptolemy. This semi-chord was called in Arabic gib, i.e. pleat or fold, translated into Latin as sinus;
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The great ring-plain Albategnius A, 28 miles in diameter, intrudes far within the limits of the formation on the W., and its towering crest rises more than 10,000 feet above its floor, on which there is a small central mountain.
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Albategnius compiled new tables of the sun and moon and discovered the movement of the sun's apogee. ... ALBATEGNIUS (c. 850--929), an Arab prince and astronomer, correctly designated Mahommed ben Gebir al Batani, his surname being derived from his native town, Batan in Mesopotamia. From his observations at Aracte and...
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Abu Abdallah Muhammad Ibn Jabir Ibn Sinan Al-Battani Al-Harrani, known in the West as Albategnius, is considered the greatest astronomer of his time and one ...
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The walls of this huge and old ring mountain have been bombarded by countless subsequent impacts. The curious result is that it has acquired an unmistakably hexagonal appearance. ... Photo: António Cidadão. His Home Page of Astrophotography includes stereograms, animations, and "Seven Craters a Week" from his...
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Arab astronomer who got an extremely accurate length of the year (used in the Gregorian calendar reform of the Julian calendar ), determined the time of the equinoxes, and calculated the inclination of the earth's equator to its orbital plane (the obliquity ). ... Additional biographies: Bonn ... Branch of Science...
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This is a photomosaic of the images of Hipparchus and Albategnius. Just before first quarter, they are easily confused with the pair of craters Ptolamaeus and Alphonsus farther west. Hipparchus is flooded with lava, with no central peak and Albategnius has an off center peak, like Alphonsus. ... Next image: Albategnius...
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; An Arab prince, born in Batan, Mesopotamia, who was the leading astronomer and mathematician of his time. ... He drew up improved tables of the Sun and Moon, measured the eccentricity of Earth's orbit and the inclination of Earth's equator to its orbital plane, and derived an accurate length for ... His observations at Rakku,
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