Ground Level Enhancement (GLE#77) in the gamma-ray component: First observation from Arctic and Antarctic stations

Pranali Thakur, Geeta Vichare, Selvaraj Chelliah

This article presents the observations of the extreme ground-level enhancement (GLE #77) of Solar Cycle 25 that occurred on 11 November 2025, using ground-based NaI(Tl) gamma-ray d…