Physicists Proposed Relativity Violation After GRB Detection
Researchers suggested high-energy photons may behave differently than standard physics predicts over vast cosmic distances.
Updated on Sept. 26, 2026 in Physics
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Following the October 9, 2022, detection of the gamma-ray burst GRB 221009A, physicists proposed a violation of special relativity to explain the survival of a 300 TeV photon. The study was published on September 8, 2026, in Physical Review Letters.
Why it matters
Researchers sought to explain how such a high-energy photon could survive a 2-billion-light-year journey without being destroyed by the cosmic microwave background. The finding challenges existing models of space-time behavior at extreme energy levels.
The study analyzed a 300 TeV photon that arrived 4,536 seconds after the burst trigger, traveling from a source 2 billion light-years away. It calculated quantum gravity scales ranging from 1.59 × 10¹² GeV to 1.22 × 10²¹ GeV.
The players
Giorgio Galanti
He is a researcher who co-authored the study exploring violations of special relativity.
Marco Roncadelli
He is a physicist who collaborated on the theoretical model published in Physical Review Letters.
Baksan Observatory
Located in the Russian Caucasus, this facility houses the Carpet array used to detect the high-energy photon.
NASA
The agency operates the Swift satellite and Fermi Gamma-ray Burst Monitor that initially identified the burst.
The details
The proposed model suggests that universe transparency increases at extreme energies, allowing photons to travel while potentially moving slower than lower-energy particles to avoid collisions. Scientists utilized data from the Baksan Observatory Carpet array in the Russian Caucasus to form these conclusions.
Timeline
October 9, 2022: The gamma-ray burst GRB 221009A occurred.
September 8, 2026: The paper was published in Physical Review Letters.
The Big Picture
This study updates current understanding of particle travel through space by using data from the GRB 221009A cosmic explosion. It suggests a paradigm shift where extreme energy photons might evade standard collisions, potentially unlocking new research into quantum gravity.
This research provides a theoretical framework that could fundamentally alter future energy and materials science through a deeper understanding of quantum gravity. While the findings are currently abstract, confirming such behavior could eventually lead to advancements in how we detect and measure particles across vast distances.
The takeaway
This discovery highlights how extreme cosmic events act as unique laboratories for testing the limits of Einsteinian relativity. Understanding these limits is essential for scientists attempting to reconcile quantum mechanics with the behavior of the macro universe.
Further reading
For more on how recent discoveries are shaping our understanding of fundamental laws, explore the Physics section.
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