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Q: Who was the first Indian astronomer to calculate the time taken by earth to orbit the sun?
  • A. Aryabhatta
  • B. Ved Bhatnagara
  • C. Bhaskaracharya
  • D. Bishu devtamapi
Correct Answer: Option C - Bhaskaracharya or Bhaskar II (1114-1185AD) was a famous mathematician and astrologer of ancient India. The main treatise composed by him is Siddhanta Shiromani, which has four parts called Lilavati, Algebra, Planetary Mathematics and Goladhyay. These four parts are related to arithmetic, algebra, mathematics related to the motion of planets and shells respectively. He also discovered the power of gravity. As an astronomer, Bhaskar is famous for his concept of instantaneous motion. This helps astrophysicists to find out the movement of planets accurately.
C. Bhaskaracharya or Bhaskar II (1114-1185AD) was a famous mathematician and astrologer of ancient India. The main treatise composed by him is Siddhanta Shiromani, which has four parts called Lilavati, Algebra, Planetary Mathematics and Goladhyay. These four parts are related to arithmetic, algebra, mathematics related to the motion of planets and shells respectively. He also discovered the power of gravity. As an astronomer, Bhaskar is famous for his concept of instantaneous motion. This helps astrophysicists to find out the movement of planets accurately.

Explanations:

Bhaskaracharya or Bhaskar II (1114-1185AD) was a famous mathematician and astrologer of ancient India. The main treatise composed by him is Siddhanta Shiromani, which has four parts called Lilavati, Algebra, Planetary Mathematics and Goladhyay. These four parts are related to arithmetic, algebra, mathematics related to the motion of planets and shells respectively. He also discovered the power of gravity. As an astronomer, Bhaskar is famous for his concept of instantaneous motion. This helps astrophysicists to find out the movement of planets accurately.