Three galaxies were found in the merger of a triple system, which was rare in itself, and might help observe hierarchical ...
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Rare triple galaxy merger reveals three radio-bright black holes
It is uncommon to discover not one, not two but three enormous black holes being fed in the same neighborhood of the universe ...
Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.
The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...
Astronomers have used the Keck Observatory's DEIMOS multi-object spectrograph to observe a nearby galaxy cluster designated RXC J0032.1+1808. As a result, they found that the cluster undergoes a major ...
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