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Meghnad Saha FRS (6 October 1893 – 16 February 1956) was an Indian astrophysicist who helped devise the theory of thermal ionisation. His Saha ionisation equation allowed astronomers to accurately relate the spectral classes of stars to their actual temperatures.
Meghnad N. Saha was an Indian astrophysicist noted for his development in 1920 of the thermal ionization equation, which, in the form perfected by the British astrophysicist Edward A. Milne, has remained fundamental in all work on stellar atmospheres.
The expression was developed by physicist Meghnad Saha in 1920. It is discussed in many textbooks on statistical physics and plasma physics, such as Drake's book.
Aug 1, 2016 · Meghnad Saha (1893–1956) was an Indian physicist who did much of his work in the last decades of British colonial rule. In the 1920s he made important contributions to the theory of thermal ionization and its application to stellar spectra.
Oct 6, 2023 · Meghnad Saha, born on 6 October 1893, has even been called the “Darwin of astronomy” by the international press. Born into a ‘lower’ caste family, he went on to become a polymath, politician, and pioneer scientist who made several seminal contributions to the world of physics.
Meghnad Saha (6 October 1893 – 16 February 1956) was a pioneer in Astrophysics in India. He made a remarkable contribution to the field of Astrophysics. His study of the thermal ionisation of elements led him to formulate what is known as the Saha equation.
Apr 4, 2017 · A discovery by Indian scientist and statesman Meghnad Saha revealed the nature of stars. by Sam Kean While astronomers had been sorting stars by spectra since the mid-1800s, in 1920 Indian polymath Meghnad Saha was the first to recognize that a star’s spectrum indicated its temperature.
Jul 10, 2024 · Saha was a multi-faceted personality with strong views on political ideology, the role of science in a new nation and other topics. India’s charismatic Prime Minister, Jawaharlal Nehru, during 1947-1964 had a soft corner for sophisticated, suave, upper-crust people. Impatient and angry, confrontational rather than persuasive, Saha did not qualify.
Meghnad Saha (1893–1955) set out his theory in a number of papers published in British journals during 1920–1921. The work was immediately recognized as laying the foundation of quantitative astrophysics. Saha showed that astronomical spectra of.
It was at this tender age of 26 that Meghnad Saha, who was working at Calcutta University far away from the world’s major centres of physics research and who never had a formal training from any research supervisor, formulated the celebrated Saha ionization equation and revolutionized astrophysics by applying it to solve some long-standing astro...
