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"Seeing" the Black Hole for the First Time

This is the first photo of black hole in human history. At 9 o'clock in the evening of April 10th(Beijing time), including China, many astronomers around the world simultaneously announced the first image of black hole. This visual evidence, which was captured by more than 200 scientists over ten years and from eight observation points on four continents, is expected to confirm that Einstein's general theory of relativity is still valid under extreme conditions.

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