A record-breaking cosmic explosion has forced astronomers to rethink what they know about gamma-ray bursts. Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained active for nearly seven hours. Known as GRB 250702B, […]Space,Astronomy,Astrophysics,Black Hole,Gamma Ray,Neutron Star,University of North Carolina at Chapel Hill#Bizarre #SevenHour #GammaRay #Explosion #Deep #Space #Left #Astronomers #Puzzled1767403556

![[STM]– 29th moon of Uranus – S/2025 U1缩略图 a blue object is seen in the dark sky](https://kkk.us.com/wp-content/uploads/2026/01/ibxrcyonhqo-150x150.jpg)










