"Unprecedented Discovery: Nearby Supernova Defies Cosmic Ray Expectations"

Recent data from the Fermi Gamma-ray space telescope has cast doubt on the traditional theory that supernova explosions are the primary source of cosmic rays, as observed gamma rays from a nearby supernova were conspicuously absent. This challenges previous estimates of energy conversion into cosmic ray acceleration and suggests that there is more to learn about their production. Astronomers are now searching for alternative explanations and plan to study the supernova in other wavelengths to improve their models and understand the mystery of cosmic rays.