Earliest, hottest galaxy cluster atmosphere on record: gas 5 times hotter than theory allows, only 1.4B years after the Big Bang. “We didn’t expect to see such a hot cluster atmosphere so early in cosmic history,” said lead author Dazhi Zhou of
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science.ubc.ca/news/2026-01...
Earliest, hottest galaxy cluster gas on record could change cosmological models
An international team led by Canadian astronomers has found a galaxy cluster blazing with hot gas just 1.4 billion years after the Big Bang.
