Question

Before Kepler and Newton, name some ancient astrologers. Also, write their achievement in the gravitational field.

Answer 1

(a) In the fifth century, Indian astrologer Aryabhatta gave the geocentric model to understand the motion of the planet.

(b) After Aryabhatta, Bhashkaracharya gave his theory about gravity and planetary motion in his book ‘SIDDHARTH SHIROMANI’. Bhaskaracharya estimated the radius of the earth and its circumference.