NASA | Fermi Proves Supernova Remnants Produce Cosmic Rays

The video explores the phenomenon of supernova explosions and their role in producing cosmic rays. It highlights the mystery of how these particles are accelerated to high speeds and the challenges in tracing their origins. Enrico Fermi's theory on cosmic ray acceleration is discussed, along with the role of supernova remnants. The Fermi Gamma-ray Space Telescope's observations provide insights into the production of gamma rays, confirming that supernova remnants accelerate protons. The video concludes with the ongoing research to understand the maximum energies of these particles.

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