Study of Terzan 5 cluster reveals 30-year cosmic ray trajectory change due to magnetic field fluctuations.

A recent study of dense star cluster Terzan 5 has provided the first measurement of how quickly cosmic rays change direction due to magnetic field fluctuations. Observing radiation from the cluster, researchers discovered it takes approximately 30 years for cosmic rays to change trajectory as they travel down the magnetic tail of the cluster. This breakthrough offers insight into interstellar magnetic fields and the origins and behavior of cosmic rays, discovered over a century ago.

August 12, 2024
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