Many works i.e. ‘grantha’ related to astronomy have been written in India. Ancient universities of India did systematic and deep study of astronomy. Indian scholars studied planets and their movements, constellations and other celestial objects in several mathematical calculations. Based on these calculations they made remarkable progress in the fields of astronomy. They also used to make several predictions by studying the movement of planets. Aryabhatta made a remarkable contribution in field of astronomy. As a result, when India launched its first satellite, named ‘Aryabhatta’. He declared that the earth rotates on its own axis. He proved that the basic reason for lunar eclipse is the shadow of the earth.
