The Gamma Ray Background That's Out There

Ex ray radiation is caused by hot gas that as gal s are coming together more and more into larger and larger objects. It's compressing the gas in the in galaxy clusters, causing more and more of this gas to heat up to millions of degrees. And so that tells us where galaxies are colliding, where stars are forming,. Where superman is blasting out dexray radiation, watersome orr some other colors,Elliot: "I don't know why my brain is on super heros to day, it just is"