Astronomers detected a gamma-ray burst so bright, it effectively blinded most gamma-ray instruments in space. The pulse of intense radiation traveled for about 1.9 billion years to reach Earth.

Gamma-ray bursts (GRBs) are the brightest explosions of light in the known Universe. The one that was detected on October 9, 2022, was so luminous

Source: Hot Hardware – The Brightest Gamma-Ray Burst In Human Civilization Has NASA Excited