Article ID: CBB169565346

Diameters (bimbas) of the Sun, Moon and Earth’s shadow-cone in Indian astronomical texts, with special reference to the Makarandasāriṇī and the Ganakānanda (2021)

unapi

The diameters of the Sun, Moon and Earth’s shadow-cone are important in the computation of lunar and solar eclipses. This paper discusses the procedures for computing the diameters of the Sun, Moon and Earth’s shadow-cone according to the Makarandasāriṇῑ and the Gaṇakānanda texts. The results are compared with those of the basic siddhādntic text, the Sūryasiddhānta, and with the popular astronomical handbook, the Grahalāghava of Gaṇeśa Daivajña (CE 1520). A number of illustrative examples are provided, along with possible explanations.

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Authors & Contributors
Kapoor, R. C.
Montelle, Clemency
Iyengar, R. Narayana
Dahedar, Purushottam
Mitsuru Sôma
Seetharama Javagal
Concepts
Astronomy
Eclipses; transits; occultations; conjunctions
Astronomical observatories
Observation
India, civilization and culture
Solar system; planets
Time Periods
Ancient
Medieval
18th century
19th century
17th century
12th century
Places
India
Middle and Near East
Greece
Mesopotamia
Persia (Iran)
Institutions
East India Company (English)
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