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Event Horizon Telescope Captures First Image of a Black Hole

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CAMBRIDGE, Mass., April 10, 2019 — The Event Horizon Telescope (EHT) captured the first picture of a black hole by using its eight ground-based radio telescopes to produce an image of the center of a massive galaxy 55 million light-years away. The discovery comes two years after the EHT was switched on and after several years of preparation, validating Einstein’s theory of general relativity, which showed that when a massive star dies, it leaves behind a small, dense remnant core. If the core’s mass is more than about three times the mass of our sun, the force of gravity overwhelms all other forces and...Read full article

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