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Vedanga Jyotisha (वेदाङ्गज्योतिषम्) (view source)
Revision as of 18:49, 22 April 2019
, 18:49, 22 April 2019→Contents of Vedanga Jyotisha: added content and new heading Glossary
The present day yuga system consisting of the chaturyugas and mahayugas (as seen in puranic references) is discussed under the heading [[Kala (कालः)|Kala]].
The present day yuga system consisting of the chaturyugas and mahayugas (as seen in puranic references) is discussed under the heading [[Kala (कालः)|Kala]].
The Vedic astronomers also noted that the shortest day was at the winter solistice when the seasonal year Shishira began with Uttarayana and rose to a maximum at the summer solistice.
The Vedic astronomers also noted that the shortest day was at the winter solistice when the seasonal year Shishira began with Uttarayana and rose to a maximum at the summer solistice. A glossary is given to explain the astronomical terms used in this article.
== Siddhantas ==
== Siddhantas ==
Among there only five siddhantas were extant during the time of Varahamihira namely, Saura (or Surya) Paitamaha (or Brahma), Vaishishta, Romaka and Paulisa. These five were ably collected by Varahamihira and preserved in his Panchasiddhantika text.
Among there only five siddhantas were extant during the time of Varahamihira namely, Saura (or Surya) Paitamaha (or Brahma), Vaishishta, Romaka and Paulisa. These five were ably collected by Varahamihira and preserved in his Panchasiddhantika text.
== Glossary of Astronomical Terms ==
This section is a collection of few astronomical terms, fewer of which are used in this article.<ref name=":1" />
Ardharatra : Midnight
Ardharatrika : Calculations from the midnight
Ayanamsa : Amount of precession of equinoxes (in degrees)
Ayananta : Solistice
Bhachakra : Zodiac (consisting of 27 nakshatras or twelve rashis)
Bhaga : One degree of arc; amsa
Bhagana : Revolutions of a celestial body in a long period of time (like Mahayuga)
Bhugola : Terrestrial globe
Chakra : Circle, cycle, 360<sup>0</sup>
Chakralipta : Minutes of arc in a circle; 360<sup>0</sup> x 60<sup>1</sup> = 21,600<sup>1</sup>
Chakramsa : Degrees in a circle, 360<sup>0</sup>
Chandra : The moon
Chandrakala : 1/16th of the moon's disc
Chandramasa : The lunar month
Chaturyuga : Great age of 43,20,000 years; Mahayuga
Chaadaka : Eclipser ; Grahaka
Chaadya : Eclipsed body ; Graahya
Chaaya : Shadow
Dakshinayana : Southern course of Sun
Darsa : Conjunction of the sun and the moon
== References ==
== References ==
<references />
<references />
[[Category:Vedangas]]
[[Category:Vedangas]]