Nov 14, 2023

Earth Struck By Enormous Burst Of Gamma Rays From Two Billion Light-Years Away

Posted by in categories: cosmology, existential risks

A massive burst of gamma rays produced by the explosion of a star almost two billion light-years away was so powerful that it changed Earth’s atmosphere, according to scientists.

The brightest gamma-ray burst ever seen and detected impacted Earth’s atmosphere. It came from a supernova and may reveal why Earth has had mass extinctions in its past.

Leave a reply