# Gamma burst reveals hidden energy surge

A gamma-ray burst initially appeared weak but later produced one of the brightest residual flares in 20 years. GRB 260310A was detected on March 10, 2026, by NASA's Fermi telescope. Observations showed a significant increase in visible light and X-ray emissions over weeks and months.

https://www.eldiario.es/spin/explosion-cosmica-sorprende-cientificos-parecia-pequena-produjo-mayores-resplandores-20-anos-pm_1_13627205.html

Image: https://static.eldiario.es/clip/117a0043-75ed-4f63-93e8-246e202e0905_16-9-discover-aspect-ratio_default_0.jpg

Image: https://static.eldiario.es/clip/a18182bb-8aeb-4c76-afd4-18e3be76af21_16-9-discover-aspect-ratio_default_0.jpg

#gamma #burst #astronomy #fermi

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Created: 2026-11-01T06:19:12.152648+00:00

Last edited: 2026-11-01T06:19:12.152648+00:00

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Original source: https://www.eldiario.es/spin/explosion-cosmica-sorprende-cientificos-parecia-pequena-produjo-mayores-resplandores-20-anos-pm_1_13627205.html