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The End Is Nigh?




Astronomers plan to film the black hole at the centre of the Milky Way galaxy as it gobbles up stars and planets. The video could open a ‘new field’ of science.

Coming Our Way Soon?

The team of scientists that captured the first-ever photo of a black hole is turning to its next project: video. The Event Horizon Telescope team plans to produce hours of real-time video footage of the supermassive black hole at the centre of the Milky Way galaxy, along with time-lapse videos of the bigger, more distant black hole they photographed in April. The footage could show how the black holes devour stars and interact with their environments.

In April, an international team of scientists captured the first-ever photo of a black hole. In September, they won a $US3 million Breakthrough Prize for that accomplishment. But they’re far from finished.

Next, the team behind the Event Horizon Telescope (EHT) is planning a cinematic debut. The subject: the supermassive black hole at the centre of our own galaxy.

The new project, called next-generation EHT (ngEHT), aims to capture real-time videos of the Milky Way’s black hole to observe its behaviour and see how it changes its environment.

“We can see the black hole evolve in real time,” Shep Doeleman, an astronomer who leads the global EHT team, told Business Insider. “Then we can understand how it launches these jets that come from its north and south poles. We can see how it evolves with the galaxy. We can even test Einstein’s gravity in completely different ways, by looking at the orbits of matter – not light, but matter – around the black hole.”

The black hole in the groundbreaking photo published in April is known as M87. In the image (right), the yellow-red ring is the accretion disk – a rotating mass of super-hot gas and dust from dead stars, planets, and other objects. In M87’s case, that disk is larger than our entire solar system.

The darkness within the disk is the event horizon – the point beyond which the black hole’s gravitational force is so strong that not even light can travel fast enough to escape. (That absence of light, of course, makes photographing or filming a black hole extremely difficult.)

“It tells us so much,” Doeleman said of the photo. “It tells us that there are near-light-speed motions of the gas around the black hole. It tells us how the black hole is oriented in space. It confirms Einstein’s theories of gravity very close to the black hole boundary. Once you get a tool like this that gives you access to the inner workings of the cosmos, then you immediately just want to do more.”

That’s why the ngEHT team is turning their global network of telescopes back to M87, as well as to the black hole at the centre of our own galaxy.

The Event Horizon Telescope is made up of observatories around the world. Working together, they can function as a single “virtual” telescope the size of Earth. The group is working to add more telescopes to that network and leverage new computer technology to process 10 times more data from those telescopes. In doing so, they think they can capture video of the two black holes in about five years.

Doeleman hopes that eventually, the videos can reveal what a still image cannot: how those black holes devour matter.

Currently, scientists can tell when distant black holes have eaten something big (like a star) because the events emit intense light that eventually reaches telescopes on Earth. Doeleman thinks videos could capture such events as they happen in real time.

“Imagine you could see the black hole during one of those periods of activity. You’d see exactly where that emission was coming from,” he said. “Understanding how these things happen – it tells us everything about the black hole dynamics and how they feed.”


  1. Shit, the world is going to end in 10 million years!
    We’d better stop using oil completely
    Go back to walking and wood for buildings and grow your own food if you can.

    meanwhile back in the real world, I’m just watching Youtube and reading my history books and doing my garden.



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