On April 10, 2019, scientists from the Event Horizon Telescope announced a result that will change our understanding of the universe: the first-ever image of a black hole's event horizon, the point at which light can no longer escape the black hole's gravitational pull. Using linked telescopes from around the globe, EHT's team measured the ring of photons circling the black hole at the center of galaxy Messier 87, 55 million light-years from Earth. The observations further confirm Einstein's general theory of relativity.
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