'Extreme' black hole belching death beams as it savages a star, scientists find

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Astronomers said that ‘black holes are some of the most extreme objects in the Universe’, but V404 Cygni’s ‘outbursts’ made it particularly remarkable.

‘This is one of the most extraordinary black hole systems I’ve ever come across,’ Associate Professor Miller-Jones of Curtin University said.

‘Like many black holes, it’s feeding on a nearby star, pulling gas away from the star and forming a disk of material that encircles the black hole and spirals towards it under gravity.

‘What’s different in V404 Cygni is that we think the disk of material and the black hole are misaligned.

‘This appears to be causing the inner part of the disk to wobble like a spinning top and fire jets out in different directions as it changes orientation.’

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