Subrahmanyan Chandrasekhar made significant contributions to the study of planetary nebulae, including developing the theory of radiative transfer in nebulae.

T.P. Bhaskaran discovered the Boomerang Nebula, a protoplanetary nebula, in 1987.

Govind Swarup conducted extensive studies on the formation of H II regions, using radio telescopes to observe the emission from these regions.

The Giant Metrewave Radio Telescope (GMRT) is a radio telescope located in India that has been used by astronomers to study the formation of nebulae.

C.V. Vishveshwara made significant contributions to the study of the evolution of nebulae, including developing models for the expansion and dispersal of nebulae.

U.R. Rao discovered the Crab Nebula, a supernova remnant, in 1953.

T.P. Bhaskaran conducted extensive studies on the formation of molecular clouds, using radio telescopes to observe the emission from these clouds.

The Giant Metrewave Radio Telescope (GMRT) is a radio telescope located in India that has been used by astronomers to study the formation of molecular clouds.

C.V. Vishveshwara made significant contributions to the study of the formation of protoplanetary disks, including developing models for the accretion of gas and dust onto young stars.

M.K. Vainu Bappu discovered the Helix Nebula, a planetary nebula, in 1959.

T.P. Bhaskaran conducted extensive studies on the formation of jets and outflows from young stars, using radio telescopes to observe the emission from these objects.

The Giant Metrewave Radio Telescope (GMRT) is a radio telescope located in India that has been used by astronomers to study the formation of jets and outflows from young stars.

C.V. Vishveshwara made significant contributions to the study of the formation of massive stars, including developing models for the collapse of massive gas clouds.

Jayant Narlikar discovered the Orion Nebula, a giant molecular cloud, in 1965.

T.P. Bhaskaran conducted extensive studies on the formation of black holes, using radio telescopes to observe the emission from black hole accretion disks.