Scientists explain how a 300 TeV photon could reach Earth

· Physicsworld · Sept. 30, 2026, 8:17 a.m.
Astronomy and space Astrophysics Universe radiation gamma-ray bursts
Summary
The post discusses a mysterious signal from a powerful gamma-ray burst, suggesting how exotic particles may allow extreme radiation to travel across the universe, specifically a 300 TeV photon reaching Earth.
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