When two galaxies collide, their central black holes merge, emitting gravitational waves. Astronomers theorize that a recoil effect sometimes kicks the merged black hole out of the galaxy while dragging nearby stars along for the ride. Researchers from SRON and Radboud University have now made a prediction of what these clusters will look like to identify them and prove their existence. Their findings are published in MNRAS.
When two galaxies collide, their central black holes merge, emitting gravitational waves. Astronomers theorize that a recoil effect sometimes kicks the merged black hole out of the galaxy while dragging nearby stars along for the ride. Researchers from SRON and Radboud University have now made a prediction of what these clusters will look like to identify them and prove their existence. Their findings are published in MNRAS.
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