Asitatva, Asita-tva: 1 definition
Introduction:
Asitatva means something in Hinduism, Sanskrit. If you want to know the exact meaning, history, etymology or English translation of this term then check out the descriptions on this page. Add your comment or reference to a book if you want to contribute to this summary article.
In Hinduism
Jyotisha (astronomy and astrology)
Source: Wisdom Library: Brihat Samhita by VarahamihiraAsitatva (असितत्�) refers to “blackness� (that which is black), according to the Bṛhatsaṃhitā (chapter 5), an encyclopedic Sanskrit work written by Varāhamihira mainly focusing on the science of ancient Indian astronomy astronomy (Jyotiṣa).—Accordingly, “Some say that Rāhu, the asura, though his head was cut, dies not but lives in the shape of a planet having tasted of ambrosia. That he has a disc like the sun and moon and as that disc is black [i.e., asitatva] it is invisible when in the sky except on the occasion of eclipses in virtue of a boon from Brahmā. Others say that he resembles a serpent in shape with his head severed from his tail; a few that he is bodiless, that he is mere darkness and that he is the son of Siṃhikā. [...]�.

Jyotisha (ज्योति�, dzپṣa or jyotish) refers to ‘astronomy� or “Vedic astrology� and represents the fifth of the six Vedangas (additional sciences to be studied along with the Vedas). Jyotisha concerns itself with the study and prediction of the movements of celestial bodies, in order to calculate the auspicious time for rituals and ceremonies.
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