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   61079
   Cosmic rays were discovered in 1912 by the Austrian physicist V. Hess.
   Ever since, scientists have debated where cosmic rays come from and how
   atomic particles can be acclerated to ultra high energies. SNRs have
   long been thought to be the origin of cosmic rays, but the evidence has
   been lacking until now. With ASCA, we now found evidence for the Fermi
   accleration in shock-shells of SNRs. The aim of this study is to
   observe further evidence from other SNRs than SN1006, G375.5-0.5 etc
   and to provide conclusive results for the comic ray origin. In fact we
   found a promising candidate near the Galactic Center.
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