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  • RESEARCH HIGHLIGHT

Triple-threat team of black holes lurks at a galaxy’s core

Radio signals suggest a grouping of two large black holes and one small one.
A supercomputer simulation of a supermassive binary black hole binary.

A computer simulation of a pair of supermassive black holes. Hints of a trio of black holes have been seen in radio observations. Credit: NASA GODDARD SPACE FLIGHT CENTER/ESA/GAIA/DPAC/SPL

A distant source of radio signals in the night sky might be three black holes clustered at the centre of a single galaxy.

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Nature 579, 11 (2020)

doi: https://doi.org/10.1038/d41586-020-00553-z

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