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Indian astronomy refers to astronomy practiced in the Indian subcontinent. It has a long history stretching from pre-historic to modern times . Some of the earliest roots of Indian astronomy can be dated to the period of Indus Valley civilisation or earlier.
Varāhamihira refers to his Pancha-siddhantika as Karana (a concise exposition of astronomy), but the text covers a wider range of topics that appear in the texts belonging to the karana genre. [13] Notable mathematical concepts in the Pancha-siddhantika include: [7] Use of the decimal notation with its place-value number system [7]
As the name suggests, the book is a karana text, that is, a concise exposition of astronomy. Bhaskara's Karana-kutuhala was followed by Indian astronomers for several centuries, during which no other karana text was produced, until Ganesha composed Graha-laghava or Siddhanta-rahasya in the early 16th century.
In Hindu astronomy, there was an older tradition of 28 Nakshatras which were used as celestial markers in the heavens. When these were mapped into equal divisions of the ecliptic, a division of 27 portions was adopted since that resulted in a clearer definition of each portion (i.e. segment) subtending 13° 20′ (as opposed to 12° 51 + 3 ⁄ 7 ′ in the case of 28 segments).
Brāhmasphuṭasiddhānta is one of the first books to provide concrete ideas on positive numbers, negative numbers, and zero. [4] For example, it notes that the sum of a positive number and a negative number is their difference or, if they are equal, zero; that subtracting a negative number is equivalent to adding a positive number; that the product of two negative numbers is positive.
Ahargana - The Astronomy of the Hindu Calendar Explains the various calendric elements of the Hindu calendar by means of astronomical simulations created using Stellarium. drikPanchang, an online Hindu almanac (IAST: pañcāṅga). Stellarium, the astronomy software that was used to create the animations featured in this article.
The Surya Siddhanta is a text on astronomy and time keeping, an idea that appears much earlier as the field of Jyotisha of the Vedic period.The field of Jyotisha deals with ascertaining time, particularly forecasting auspicious dates and times for Vedic rituals. [25]
Download as PDF; Printable version; In other projects Wikidata item; ... Pages in category "Indian astronomy texts" The following 24 pages are in this category, out ...