আইনস্টাইনের ভবিষ্যৎবাণী (Einstein's Prediction of A Black Hole)

Recently Event Horizon Telescope captured the very first picture of the central Black Hole of our Milkyway galaxy Sagittarius A*. From this image, we can work out the mass of the black using Einstein's theory of general relativity which agrees with the Nobel prize-winning stellar studies of Sagittarius A* (around 4 million solar mass.)
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