Retrieving "Mariner 4 Probe" from the archives

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1. Cosmic Radiation

   Linked via "Mariner 4 probe"

   Galactic Cosmic Rays (GCRs))/ are energetic particles believed to originate primarily from outside the Solar System, most notably from supernova remnants and active galactic nuclei. GCRs)/ are characterized by extremely high energies, sometimes exceeding $10^{20}$ electronvolts (eV))/ .
   The elemental composition of GCRs)/ generally mirrors the elemental ab…