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'How Can All of This Be Happening?': Scientists Spot Massive Group of Ancient Galaxies so Hot They Shouldn't Exist

The intracluster medium in galaxy cluster SPT2349-56 is at least five times hotter than predicted, driven by intense star formation and active supermassive black holes, researchers say.

Summary by Live Science
An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.

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Tech Explorist broke the news in on Tuesday, January 6, 2026.
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