Shen Zhiqiang, head of Shanghai Astronomical Observatory (SAO), presides over a press conference to release the first-ever image of a supermassive black hole at the heart of the distant galaxy M87, in east China's Shanghai, April 10, 2019.The image of the black hole, based on observations through the Event Horizon Telescope (EHT), a planet-scale array of eight ground-based radio telescopes forged through international collaboration, was unveiled in coordinated press conferences across the globe at around 9:00 p.m. (Beijing time) on Wednesday. The landmark result offers scientists a new way to study the most extreme objects in the universe predicted by Albert Einstein's general relativity. (Xinhua/Fang Zhe)

Shanghai Astronomical Observatory (SAO) holds a press conference to release the first-ever image of a supermassive black hole at the heart of the distant galaxy M87, in east China's Shanghai, April 10, 2019. The image of the black hole, based on observations through the Event Horizon Telescope (EHT), a planet-scale array of eight ground-based radio telescopes forged through international collaboration, was unveiled in coordinated press conferences across the globe at around 9:00 p.m. (Beijing time) on Wednesday. The landmark result offers scientists a new way to study the most extreme objects in the universe predicted by Albert Einstein's general relativity. (Xinhua/Fang Zhe)

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