astro.wikisort.org - BookKhaṇḍakhādyaka (meaning "edible bite; morsel of food") is an astronomical treatise written by Indian mathematician and astronomer Brahmagupta in 665 AD.[1] The treatise contains eight chapters covering such topics as the longitudes of the planets, diurnal rotation, lunar and solar eclipses, risings and settings, the moon's crescent and conjunctions of the planets. The treatise also includes an appendix which in some versions has only one chapter, and in other has three.
Astronomical treatise
The treatise was written as a response to Aryabhata's Ardharatrikapaksa.[1] Khandakhadyaka was known in Sanskrit to al-Biruni.[1]
References
- Thomas F. Glick; Steven Livesey; Faith Wallis, eds. (2014). Medieval Science, Technology, and Medicine: An Encyclopedia. Routledge. p. 464. ISBN 1135459398.
Indian astronomy |
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| Astronomers | |
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| Works |
- Aryabhatiya
- Brahmanas
- Aitareya Brahmana
- Shatapatha Brahmana
- Bṛhat Saṃhitā
- Shulba Sutras
- Panchangam
- Khandakhadyaka
- Siddhantas
- Tantrasangraha
- Jyotirmimamsa
- Treatise on Astrology of the Kaiyuan Era
- Vedanga Jyotisha
- Vedas
- Yavanajataka
- Zij
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| Instruments |
- Armillary sphere
- Astrolabe
- Celestial globe
- Compass
- Cross-staff
- Dioptra
- Equatorial ring
- Equatorial sundial
- Globe
- Gnomon
- Mural instrument
- Quadrant
- Sextant
- Sundial
- Triquetrum
- Water clock
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| Concepts |
- Axial tilt
- Azimuth
- Cardinal direction
- Celestial equator
- Celestial sphere
- Celestial spheres
- Center of mass
- Circular orbit
- Deferent and epicycle
- Earth's rotation
- Eccentricity
- Ecliptic
- Elliptic orbit
- Equant
- Geocentrism
- Geoheliocentrism
- Globe
- Gravity
- Heliocentrism
- Hindu units of time
- Jyotiṣa
- Kalpa
- Moonlight
- Nakshatra
- Parallax
- Precession
- Ritu
- Spherical Earth
- Sunlight
- Tithi
- Yuga
- Zodiacal sign
- Manvantara
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| Centres | |
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| Other regions |
- Babylonian astronomy
- Ancient Greek astronomy
- Hellenistic astronomy
- Islamic astronomy
- Chinese astronomy
- European astronomy
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Months of the
Vedic calendar |
- Chaitra
- Vaisakha
- Jyeshta
- Aashaadha
- Shraavana
- Bhadrapada
- Ashvin
- Kartik
- Margashirsha
- Pausha
- Maagha
- Phalguna
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