A galaxy cluster hotter than the surface of the sun is shocking researchers : Short Wave - NPR

1. A galaxy cluster hotter than the surface of the sun is shocking researchers : Short Wave  NPR
2. Sunyaev–Zeldovich detection of hot intracluster gas at redshift 4.3  Nature
3. Astronomers discover the earliest, hottest galaxy cluster in the universe, and it breaks all the rules  Space
4. 'How can all of this be happening?': Scientists spot massive group of ancient galaxies so hot they shouldn't exist  Live Science
5. Earliest, hottest galaxy cluster gas on record could change our cosmological models  UBC News