They used 8 radio telescopes stationed at different points across the world. And kept them all in synch with powerful atomic clocks. They call the effort the Event Horizon Telescope. This series ...

In a groundbreaking achievement, the Event Horizon Telescope (EHT ... At this frequency, atmospheric water vapor absorbs ...

In a significant achievement for astronomy, the Event Horizon Telescope (EHT) has reached a new milestone. The global network of radio telescopes successfully observed cosmic objects at a shorter ...

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On left, this composite simulated image shows how M87* is seen by the Event Horizon Telescope at 86 GHz (red), 230 GHz (green), and 345 GHz (blue). On right, 345 GHz is seen in dark blue ...

To detect these materials, especially those close to the black hole’s event horizon, where gravity is at its strongest, a telescope must be able to pick up very high frequency radio waves to ...

The Event Horizon Telescope Collaboration ... A* and the black hole called M87 collected in April 2017 from eight radio telescope observatories in Chile, Hawaii, Antarctica and three other ...

Credit: Event Horizon Telescope Collaboration Scientists at ... they're getting their pictures taken by a collection of enormous, synced-up radio dishes on Earth. Supermassive black holes ...