Scientists uncover the largest black hole in history, bigger than 30 billion Suns, by observing how it bends light.

By, Harshadkr. Arun Salve

According to various sources, astronomers have discovered an ultramassive black hole that is 30 billion times larger than the Sun and is located at the center of a galaxy in the Abell 1201 galaxy cluster, about 2.7 billion light-years away from Earth. This black hole is one of the biggest ever detected and on the upper limit of how large we believe black holes can theoretically become².

The astronomers found the black hole using a technique called gravitational lensing, which is when they observe how the black hole bends the light from a more distant galaxy behind it. This effect serves as a natural telescope that magnifies the background object². The astronomers used computer modeling to simulate how much light bends around the foreground galaxy and tested thousands of black hole sizes before finding a match with the observations.

The black hole is not very active, meaning it is not swallowing too much material and therefore not producing strong X-ray radiation. Such black holes are nearly impossible to study by other methods. The discovery pushes our understanding of astronomy to the limits and could help us detect more black holes beyond our local universe.

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