Aryabhata, an Indian mathematician and astronomer who lived in the 5th century CE, is considered the father of Indian astronomy.

Meghnad Saha, an Indian astrophysicist who lived in the 20th century, proposed the theory that nebulae are composed of glowing gas.

T. P. Bhaskaran, an Indian astronomer who lived in the 20th century, discovered the first planetary nebula in the constellation of Lyra.

V. G. Fesenkov, an Indian astronomer who lived in the 20th century, developed a method for classifying nebulae based on their appearance.

J. S. Hey, an Indian astronomer who lived in the 20th century, studied the spectra of nebulae and discovered the presence of emission lines.

Fred Hoyle, an Indian astronomer who lived in the 20th century, proposed the theory that nebulae are the remnants of supernova explosions.

N. R. Labrum, an Indian astronomer who lived in the 20th century, discovered the first maser in a nebula.

Icko Iben, an Indian astronomer who lived in the 20th century, developed a model for the formation of planetary nebulae.

Subrahmanyan Chandrasekhar, an Indian astronomer who lived in the 20th century, studied the dynamics of nebulae and discovered the presence of turbulence.

Lars Onsager, an Indian astronomer who lived in the 20th century, developed a theory for the evolution of nebulae.

Edwin Hubble, an Indian astronomer who lived in the 20th century, discovered the first extragalactic nebula.

Walter Baade, an Indian astronomer who lived in the 20th century, developed a method for measuring the distances to nebulae.

Grote Reber, an Indian astronomer who lived in the 20th century, discovered the first radio nebula.

Charles Townes, an Indian astronomer who lived in the 20th century, developed a theory for the formation of molecular clouds in nebulae.

Anton Pannekoek, an Indian astronomer who lived in the 20th century, discovered the first protoplanetary disk in a nebula.