November 15, 2025
2 min read
Scientists Measure the Temperature of the Universe Just after the Big Bang
Quark-gluon plasma, a bizarre state of matter that mimics the early cosmos, is the hottest thing ever made on Earth

Image of two gold beams colliding at near the speed of light June 14, 2000. The collision took place at the Relativistic Heavy Ion Collider (RHIC) run by Brookhaven National Labratory in…