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Black holes seem to know their place in the cosmic web

24 Nov 2014, 15:23 UTC
Black holes seem to know their place in the cosmic web
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A study of 19 quasars — extremely bright black holes at the centers of galaxies — showed the matter swirling around them spins in accordance with where they reside. Galaxies form a vast network of clumps and filaments connecting them, the cosmic web known as the large-scale structure of the Universe. Researchers found that at […]

6 Degree Field galaxy survey (6dFGS) map of 125,071 galaxies in the nearby universe, showing how they are clustered together. [Credit: C. Fluke/6dF Survey]A study of 19 quasars — extremely bright black holes at the centers of galaxies — showed the matter swirling around them spins in accordance with where they reside. Galaxies form a vast network of clumps and filaments connecting them, the cosmic web known as the large-scale structure of the Universe. Researchers found that at least some galaxies spin with their axes aligned with the structure, and a new paper demonstrates that the disks surrounding some black holes may do the same. That adds an extra step to the slow gravitational dance of galaxies, as I explain in my latest for The Daily Beast:
Now, a new observation seems to show that black holes also behave according to their place in ...

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