Aryabhata is considered the father of Indian astronomy because of his significant contributions to the field, including the development of the heliocentric model of the solar system.

AstroSat is an Indian satellite that was launched in 2017 to study dark matter, among other things. It is equipped with five instruments that are designed to detect and study dark matter.

Jayant Narlikar is an Indian astronomer who proposed the theory of 'pulsating universe'. This theory suggests that the universe undergoes cycles of expansion and contraction.

Aryabhata Research Institute of Observational Sciences is an Indian astronomical observatory that is located in Leh, Ladakh. It is one of the highest altitude observatories in the world.

T. Padmanabhan is an Indian astronomer who is known for his work on the formation of galaxies. He has proposed a theory called the 'cosmological constant theory' to explain the formation of galaxies.

Astronomical Society of India is an Indian astronomical society that was founded in 1920. It is the oldest astronomical society in India.

Subrahmanyan Chandrasekhar is an Indian astronomer who is known for his work on the evolution of galaxies. He developed a theory called the 'Chandrasekhar limit' which explains the maximum mass of a white dwarf star.

Vainu Bappu Observatory is an Indian astronomical observatory that is located in Nainital, Uttarakhand. It is one of the oldest astronomical observatories in India.

Biman B. Nath is an Indian astronomer who is known for his work on the structure of galaxies. He has proposed a theory called the 'fractal theory of galaxies' which explains the structure of galaxies.

Vainu Bappu Observatory is an Indian astronomical observatory that is located in Kavalur, Tamil Nadu. It is one of the oldest astronomical observatories in India.

Ram Gopal Vishwakarma is an Indian astronomer who is known for his work on the dynamics of galaxies. He has proposed a theory called the 'dynamical theory of galaxies' which explains the dynamics of galaxies.

Indian Astronomical Observatory is an Indian astronomical observatory that is located in Hanle, Ladakh. It is one of the highest altitude observatories in the world.

Govind Swarup is an Indian astronomer who is known for his work on the cosmology of galaxies. He has proposed a theory called the 'cosmological model of galaxies' which explains the cosmology of galaxies.

Vikram Sarabhai Space Centre is an Indian astronomical observatory that is located in Ujjain, Madhya Pradesh. It is one of the oldest astronomical observatories in India.