Abstract

Most cosmic rays are thought to be accelerated by the shocks of supernova explosions.The data on cosmic rays at the Earth and the observations of nonthermal radiation from supernova remnants testify that the particles are accelerated with high efficiency and in a wide range of energies.We discuss the acceleration of galactic cosmic rays in supernova remnants in a general context of the problem of cosmic-ray origin.The scenario of cosmic ray acceleration will be probably verified in full details when the data from the new generation of ground-based and space gamma-ray experiments in conjunction with new X-ray satellites will be available.

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