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'Calm' galaxy cluster hides a violent cosmic scene that took 4 billion years to settle
- May 12, 2026 at 8:20 PM
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The galaxy cluster Abell 2029 is sometimes described as "the most relaxed cluster in the universe." This moniker does not arise from some sort of mellow vibe, but rather because of how calm and undisturbed the superheated gas that pervades the cluster appears to be.
Originally published at Phys.org