Meghnad Saha is widely regarded as the father of modern Indian astronomy. He made significant contributions to the field of astrophysics, including the development of the Saha ionization equation.

Govind Swarup discovered the first radio galaxy, Cygnus A, in 1951.

The Himalayan Chandra Telescope is the largest optical telescope in India, located at an altitude of 4,500 meters in the Himalayas.

C. V. Raman was awarded the Nobel Prize in Physics in 1930 for his discovery of the Raman effect.

The Indian Space Research Organization (ISRO) is the national space agency of India.

Subrahmanyan Chandrasekhar is known for his work on the theory of black holes, for which he was awarded the Nobel Prize in Physics in 1983.

Aryabhata was the first Indian satellite to be launched into space, on April 19, 1975.

Homi J. Bhabha is known for his work on the theory of cosmic rays, for which he was awarded the Adams Prize in 1942.

The Vainu Bappu Observatory is an astronomical observatory located in Kavalur, Tamil Nadu, India.

Subrahmanyan Chandrasekhar is known for his work on the theory of general relativity, for which he was awarded the Nobel Prize in Physics in 1983.

The Indian Astronomical Observatory is an astronomical observatory located in Hanle, Ladakh, India.

S. N. Bose is known for his work on the theory of quantum mechanics, for which he was awarded the Padma Vibhushan in 1954.

The Uttarakhand State Observatory is an astronomical observatory located in Nainital, Uttarakhand, India.

Subrahmanyan Chandrasekhar is known for his work on the theory of stellar evolution, for which he was awarded the Nobel Prize in Physics in 1983.

The Pachmarhi Observatory is an astronomical observatory located in Pachmarhi, Madhya Pradesh, India.