5 years ago
Why Is the First-Ever Black Hole Picture an Orange Ring?
Orange you glad you've just seen the first-ever image of a black hole? Today (April 10), a global collaboration of more than 200 astronomers presented the first image of a directly-observed black hole. The picture of a glowing orange-yellow ring around a dark core, was compiled from observations by eight ground-based radio telescopes known collectively as the Event Horizon Telescope (EHT).
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