The Seven Hour Explosion Nobody Could Explain - Universe Today
science 2026/03/15 05:40:00

The Seven Hour Explosion Nobody Could Explain - Universe Today

Source:Universe Today
Author:Mark Thompson

On 2 July 2025, NASA’s Fermi Gamma-ray Space Telescope detected a gamma-ray burst lasting over seven hours, nearly twice the duration of anything previously recorded. Not only was it the longest ever seen, it repeated, firing off multiple distinct bursts acro…