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Two Great Scientists: One From Eastern India And One......
the Sun as a hot and radiating substance, the mass of the Sun went on changing/decreasing as it went on emitting energy. Therefore, there is a slight variation in the gravitational force of the Sun. But this variation is very slight and negligible. As Dr Vaidya himself stated there is only as much difference as 10-27 between Schwarzschild's calculation and his calculation. While finding a solution every researcher engaged in this research compared the light emitted by the Sun with a liquid and then determined the gravitational force according to Einstein's theory. He depended on the prevalent belief that the density of liquid/light is three times as much as the pressure on it. But Dr Vaidya discarded the said belief, compared light with flowing water and attached importance only to the velocity of light. Dr Narlikar accepted this and they jointly soon arrived at a new equation. Later on Dr Vaidya made other equations and found their solutions. His research work was thus completed only within a week. Really speaking, we can say that a series of research works in his life, began only in this week.
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Since the calculation made by Dr Vaidya showed only a slight difference, his research was not regarded as very important. In 1945 A. D., his article showing the details of his solution was sent to Royal Astronomical Society in London for publication in its magazine, it was rejected. The solution arrived at in 1942 - 43 A.D. was ultimately published in the magazine of Indian Academy of Sciences' as late as 1951 A.D.
But after 20 or 22 years, circumstances changed and the research works of Dr Vaidya suddenly assumed importance. In the international conference held in Texas in December 1964, this solution given by Dr Vaidya, was discussed as long as two hours. Subsequently, his research papers published in 1943-51-53 and 1955 A.D. became very famous. The only reason was that quasars were discovered in 1963 A. D. and pulsars were discovered in 1967 A.D. Both these types of stars, constellations, emit many times as much radiation as the Sun does. Their gravitational force is thousands- millions of times more powerful than that of our Sun. The decrease in gravitational force caused by their radiation is, therefore, not negligible. The decrease in their gravitational force is hundred thousand times greater than the decrease of the gravitational force in the Sun. If it is not taken into consideration, we shall obviously get unreal and deceptive figures showing their position, distance and mass. These powerful centers of gravitation must, therefore, be described according to the theory of Einstein and in that case it becomes
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