Science ❯ Physics ❯ Relativity

Relativistic Jets

Gamma-Ray Emission Gamma-Ray Burst Mechanisms Afterglow Emission Energy Redistribution Kinetic Energy

Record-Setting Day-Long GRB 250702B Confirmed at z = 1.036 as Origin Remains Unsettled

JWST pins the distance at z = 1.036, leaving an extreme energy budget that no single progenitor model yet accounts for.

Day-Long, Repeating Gamma-Ray Burst From Distant Galaxy Challenges Standard Models