Black Hole Image Makes History; NASA Telescopes Coordinated
https://www.nasa.gov/universe/black-hole-image-makes-history-nasa-telescopes-coordinated-observations/
WEBApr 10, 2019 · The stunning new image shows the shadow of the supermassive black hole in the center of Messier 87 (M87), an elliptical galaxy some 55 million light-years from Earth. This black hole is 6.5 billion times the mass of the Sun. Catching its shadow involved eight ground-based radio telescopes around the globe, operating together as if they were one ...
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