The Theories and Models Developed by Ancient Indian Astronomers

Aryabhata is widely regarded as the father of Indian astronomy for his significant contributions to the field.

Aryabhata was the first astronomer to propose the heliocentric model, which places the Sun at the center of the solar system.

Aryabhata's astronomical treatise is known as Aryabhatiya.

Lagadha is credited with developing the concept of the zodiac.

Bhaskara II's astronomical treatise is known as Brahma Sphuta Siddhanta.

Brahmagupta proposed the theory of planetary motion, which included the idea of elliptical orbits.

Brahmagupta's astronomical treatise is known as Brahma Sphuta Siddhanta.

Lagadha is credited with developing the concept of timekeeping.

Varahamihira's astronomical treatise is known as Pancasiddhantika.

Brahmagupta proposed the theory of the precession of the equinoxes.

Lalla's astronomical treatise is known as Sisyadhivrddhida.

Lagadha is credited with developing the concept of the lunar eclipse.

Mahavira's astronomical treatise is known as Ganita Sara Sangraha.

Lagadha is credited with developing the concept of the solar eclipse.

Sridhara's astronomical treatise is known as Trilokasara.