Avartaketu, Avarta-ketu, Āvartaketu: 1 definition
Avartaketu 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.
Jyotisha (astronomy and astrology)Source: Wisdom Library: Brihat Samhita by Varahamihira
Āvartaketu (आवर्तकेतु) or simply Āvarta refers to a particular type of Ketus (i.e., luminous bodies such as comets and meteors), according to the Bṛhatsaṃhitā (chapter 11), an encyclopedic Sanskrit work written by Varāhamihira mainly focusing on the science of ancient Indian astronomy astronomy (Jyotiṣa).—Accordingly, “Padma Ketu is a comet white like the stem of the lotus. If it appears only for a night, there will be joy and happiness in the land for 7 years. Āvarta Ketu [āvartaketu] is a comet of red colour; it appears in the west at mid-night with its tail pointing to the south and it is glossy. There will be happiness in the land for as many months as the number of kṣaṇas (four minutes) for which it continues to be visible”.
Jyotisha (ज्योतिष, jyotiṣa 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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