In August 1970, in a paper in Nature, relativist C. V. Vishveshwara first published a calculation and plot of the signal that would be given out by a single perturbed black hole. This was the disturbance, or gravitational wave, that would emerge from a black hole when it was hit by a bunch of radiation. It implied that when a black hole is struck, it gives off a sound like a bell, only that it muffles quickly – more like a wooden bell than a silver bell.
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Unknown title15, 2020 19:39 IST Updated: August 16, 2020 20:09 IST The calculation of how a perturbed black hole rings out Share Article 1 PRINT A A A The calculation of how a perturbed black hole rings out <span>In August 1970, in a paper in Nature, relativist C. V. Vishveshwara first published a calculation and plot of the signal that would be given out by a single perturbed black hole. This was the disturbance, or gravitational wave, that would emerge from a black hole when it was hit by a bunch of radiation. It implied that when a black hole is struck, it gives off a sound like a bell, only that it muffles quickly – more like a wooden bell than a silver bell. When he did this calculation, Vishveshwara was a Research Associate at the Institute of Space Studies at New York. “Those were the times when the concept of the existence of black holes Summary
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