PARIS - Astronomers on Thursday said they have spotted a hot bubble of gas spinning clockwise around the black hole at the centre of our galaxy at"mind-blowing" speeds.
The first-ever image of Sagittarius A* was revealed in May by the Event Horizon Telescope Collaboration, which links radio dishes around the world aiming to detect light as it disappears into the maw of black holes. This burst of energy, thought to be similar to solar flares on the Sun, sent a hot bubble of gas swirling around the black hole, according to a new study published in the journal Astronomy and Astrophysics.
"So it's an absolutely, ridiculously fast-spinning bubble," Dr Wielgus said, calling it"mind-blowing".The scientists were able to track the bubble through their data for around one and half hours - it was unlikely to have survived more than a couple of orbits before being destroyed."MAD like crazy, but also MAD like magnetically arrested discs," he said.
Magnetic fields could also help indicate how fast black holes spin - which could be particularly interesting for Sagittarius A*.
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