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- Astronomers discover the earliest, hottest galaxy cluster in the universe, and it breaks all the rules Space
- Sunyaev–Zeldovich detection of hot intracluster gas at redshift 4.3 Nature
- 'How can all of this be happening?': Scientists spot massive group of ancient galaxies so hot they shouldn't exist Live Science
- Why the discovery of hot gas between galaxies is exciting Canadian researchers CBC
- Weird clump in the early universe is piping hot and we don’t know why New Scientist
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