Varahamihira was an Indian astronomer and mathematician who lived in the 6th century AD. He was one of the most important astronomers of ancient India and made significant contributions to the field of astronomy.

Contributions to Astronomy:
Varahamihira made several contributions to the field of astronomy, such as:

1. Astronomy Treatise: Varahamihira wrote several treatises on astronomy, including the Pancha Siddhantika, which is considered one of the most important works on Indian astronomy.

2. Solar System: He proposed the idea that the solar system is heliocentric, where the sun is at the center and the planets revolve around it.

3. Lunar Eclipse: He accurately predicted the occurrence of lunar eclipses and provided a method for calculating the time and duration of the eclipse.

4. Zodiac Signs: He divided the zodiac into twelve equal parts and named each part after a constellation.

5. Mathematics: He made significant contributions to mathematics, including the development of trigonometry and algebra.

Conclusion:
Thus, Varahamihira was an Indian astronomer and mathematician who made significant contributions to the field of astronomy. His works have influenced the development of astronomy in India and beyond.