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Some black holes at the centers of galaxies have a buddy − but detecting these binary pairs isn’t easy

  • Written by Marco Ajello, Professor of Physics and Astronomy, Clemson University
Some black holes at the centers of galaxies have a buddy − but detecting these binary pairs isn’t easySome black holes, bound by gravity, rotate around each other, as shown in this simulated image. Simulating eXtreme Spacetimes Lensing (SXS), CC BY-SA

Every galaxy has a supermassive black hole at its center, much like every egg has a yolk. But sometimes, hens lay eggs with two yolks. In a similar way, astrophysicists like uswho study supermassive...

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