The Rig Veda, the oldest of the four Vedas, contains numerous hymns that refer to celestial bodies and astronomical phenomena.

Agastya, a revered Vedic sage, is believed to have developed the Nakshatra system, which divides the zodiac into 27 sectors.

In Vedic astrology, the Nakshatras are used to determine the time of birth, influence the personality and destiny, and predict future events.

In Vedic astrology, the Moon is considered the most important planet as it is believed to influence the mind and emotions.

Amavasya refers to the conjunction of the Sun and the Moon, also known as the new moon.

The Yajur Veda contains the Taittiriya Samhita, which includes significant information on astronomy and astrology.

Yantra is the term used for the instrument used by Vedic astronomers to observe celestial bodies.

Aryabhata, a renowned Vedic astronomer, accurately calculated the length of the year to be 365.25875 days.

Purnimanta is the name of the Vedic calendar that is based on the lunar cycle.

Lagadha, a prominent Vedic astronomer, is credited with developing the concept of the zodiac.

Dasha refers to the planetary periods or cycles in Vedic astrology.

The Surya Siddhanta is a significant Vedic text that provides detailed information on the construction and use of astronomical instruments.

Varahamihira, a renowned Vedic astronomer, wrote the Brihat Samhita, an encyclopedia of astrology and astronomy.

Brahmagupta, a brilliant Vedic astronomer, developed the concept of the precession of the equinoxes.