Jyotisha
The last Vedanga Jyotisha is called eye 8211 the organ of sight of the Veda Purusha The object of Jyotisha Vedanga is not to teach astronomy but to convey such knowledge of the heavenly bodies as is necessary for fixing the days and hours of the Vedic sacrifices It gives some rules for calculating and fixing time for sacrifices In the Brahmanas and Aranyakas we find frequent allusions to astronomical subjects and even in the hymns we find traces which indicate a certain advance in the observation of the moonIt is unfortunate that there is no work available at present dealing with ancient Vedic astronomy Jyotisha in the Sutra style Only we have a small textbook called Jyotisha of Vedic astronomy in verses in two recessions Generally Maharshi Lagadha is regarded author of this Vedanga Jyotisha This is a very difficult text and therefore is not clear on several points to scholars even today Later we find many Sanskrit treatises on astronomy and mathematical calculations Bhaskaracharya Varahamihira and Aryabhatta are known ancient scholars conversant with these scientific subjects The principles established by them are in use in the modern world
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