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Our Galaxy's Monster Black Hole Is Spinning Almost As Fast As Physics Allows
Friday June 20, 2025. 09:00 AM , from Slashdot
![]() Their results show, among other things, that Sgr A* is not only spinning at close to its maximum speed, but that its rotational axis is pointed in Earth's direction, and that the glow around it is generated by hot electrons. Perhaps the most interesting thing is that the magnetic field in the material around Sgr A* doesn't appear to be behaving in a way that's predicted by theory. M87*, they discovered, is also rotating rapidly, although not as fast as Sgr A*. However, it is rotating in the opposite direction to the material swirling in a disk around it -- possibly because of a past merger with another supermassive black hole. The findings have been detailed in three papers published in the journal Astronomy & Astrophysics. They can be found here, here, and here. Read more of this story at Slashdot.
https://science.slashdot.org/story/25/06/19/236226/our-galaxys-monster-black-hole-is-spinning-almost...
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