astro.wikisort.org - ResearcherAhmad ibn Muhammad al-Nahawandi (Persian: احمد نهاوندى) was a Persian astronomer of the 8th and 9th centuries. His name indicates that he was from Nahavand, a city in Iran.
Persian astronomer
He lived and worked at the Academy of Gundishapur, in Khuzestan, Iran, at the time of Yahya ibn Khalid ibn Barmak, who died in 803 AD, where he is reported to have been making astronomical observations around the year 800 AD. He and Mashallah ibn Athari were among the earliest Islamic era astronomers who flourished during the reign of al-Mansur, the second Abbasid Caliph.
He also compiled tables called the comprehensive (Mushtamil).
See also
- List of Iranian scientists
- List of Muslim scientists
References
- The Golden Age of Persia. By Richard Nelson Frye. p. 163.
- H. Suter: Die Mathematiker und Astronomen der Araber (10, 1900)
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Topics |
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Works |
- Arabic star names
- Islamic calendar
- Aja'ib al-Makhluqat
- Encyclopedia of the Brethren of Purity
- Tabula Rogeriana
- The Book of Healing
- The Remaining Signs of Past Centuries
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Instruments |
- Alidade
- Analog computer
- Aperture
- Armillary sphere
- Astrolabe
- Astronomical clock
- Celestial globe
- Compass
- Compass rose
- Dioptra
- Equatorial ring
- Equatorium
- Globe
- Graph paper
- Magnifying glass
- Mural instrument
- Navigational astrolabe
- Nebula
- Octant
- Planisphere
- Quadrant
- Sextant
- Shadow square
- Sundial
- Schema for horizontal sundials
- Triquetrum
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Concepts |
- Almucantar
- Apogee
- Astrology
- Astrophysics
- Axial tilt
- Azimuth
- Celestial mechanics
- Celestial spheres
- Circular orbit
- Deferent and epicycle
- Earth's rotation
- Eccentricity
- Ecliptic
- Elliptic orbit
- Equant
- Galaxy
- Geocentrism
- Gravitational energy
- Gravity
- Heliocentrism
- Inertia
- Islamic cosmology
- Moonlight
- Multiverse
- Muwaqqit
- Obliquity
- Parallax
- Precession
- Qibla
- Salah times
- Specific gravity
- Spherical Earth
- Sublunary sphere
- Sunlight
- Supernova
- Temporal finitism
- Trepidation
- Triangulation
- Tusi couple
- Universe
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Institutions |
- Al-Azhar University
- House of Knowledge
- House of Wisdom
- University of al-Qarawiyyin
- Observatories
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Influences |
- Babylonian astronomy
- Egyptian astronomy
- Hellenistic astronomy
- Indian astronomy
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Influenced |
- Byzantine science
- Chinese astronomy
- Medieval European science
- Indian astronomy
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На других языках
- [en] Ahmad Nahavandi
[es] Ahmad Nahavandi
Ahmad ibn Muhammad al-Nahavandi fue un astrónomo persa que vivió entre los siglos VIII y IX. Su nombre indica que procedía de la ciudad iraní de Nahavand.
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