The image of a dark core with a flame-orange halo of gas and plasma shows a supermassive black hole 50 million lightyears away in a galaxy known as M87, they announced during simultaneous press conferences in Brussels, Shanghai, Tokyo, Washington, Santiago and Taipei.
Data needed to construct the picture was gathered in April 2017 by the Event Horizon Telescope, a joined-up network of eight radio telescopes spread across the globe.
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