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M87*'s Event Horizon Image. One Year Later
In 2017, a worldwide collection of radio telescopes gathered data about the event horizon around the supermassive black hole at the heart of M87. This was the first time we saw the shadow of a black hole. One year later, the Event Horizon Telescope, including the new Greenland Telescope, came together again. Today, we got the updated 2018 image showing that a bright spot in the ring has shifted by 30 degrees compared to the 2017 image.
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