Astronomers capture first image of a black hole

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Over several days in April 2017, each piece of equipment centered on a galaxy 55 million light years away from Earth.

To bring the picture into focus, the Event Horizon Telescope's teammates had to combine their observations using a technique known as very long baseline interferometry, or VLBI.

It's about 6.5 billion times as massive as our Sun - that's enormous even compared to other supermassive black holes and lives in the center of the Messier 87 galaxy. "Most black holes are the condensed remnants of a massive star, the collapsed core that remains following an explosive supernova".

The photograph depicts a ring of light surrounding a shadow, which researchers at EHT explain is caused by "gravitational bending and capture of light by the event horizon".

"The challenge now will be to measure the exact density of the matter around a black hole, and to better understand the crucial role of magnetic fields, and how matter within the accretion disk rotates".

Scientists revealed the first image ever made of a black hole after assembling data gathered by a network of radio telescopes around the world. Despite decades of indirect evidence supporting their existence, black holes have never been captured by camera - until now.

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Sagittarius A* is our closest black hole, but "closest" is a relative term.

Córdova is leading a news conference in Washington, D.C., to discuss the team's finding - a process taking place simultaneously on four continents, as researchers hold press conferences to share news of what they call "a groundbreaking result".

All the previous images of the black hole shared by NASA and other scientific bodies were mere illustrations. That's no longer the case, thanks to an global team of researchers from the Event Horizon Telescope project. But the most important part of this photo is where there is no light. Black holes form from remnants of a large star that dies in a supernova explosion.

What do we see in the image? . It's so strong that light can't escape from them.

This person, who works for Firefox, saw the Firefox logo in the black hole.

Scientists are about to make a record-breaking unveiling of the first picture of the black hole Sagittarius A, which is the centre of our galaxy Milky Way.

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