These Two Galaxy Clusters Are Set to Collide Once More
Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going back for round two. The galaxy clusters involved in this scuffle are part of a larger system—a “combined” galaxy cluster—called PSZ2 G181. In a study...
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