INDIA’S HERITAGE OF SCIENCE AND TECHNOLOGY. — Social Science STD 10 — Question

> Astronomy is the most ancient science.
> An organized and deep study of Astrology was made by Indian ancient universities.
> Planets and their movements, constellations and other celestial objects were used for calculations through which astrology and astronomy were developed remarkably.
> The great astrologer and astronomer Varahmihir has given a detailed account of astronomy and astrology in his book "Brihadsamhita' (Panchsiddhatika).
> 'Prediction' were made on the basis of planetary movements.
>Aryabhatta declared that the earth rotates on its own axis and he proved that the basic reason for lunar eclipse is the shadow of the earth, which was addressed as 'Ajarbhar' by the scholars.
> Brahmagupta popularized the laws of gravitation in his book "Brahmasiddhant".
>Aryabhatta made a remarkable contribution in the field of Astronomy. So the first Indian satellite was named.