Assertion: cosmic ray | /r/HasProperty | generated at high rate
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Source sentences:
text: The international team of investigators used the satellite to determine that cosmic rays are generated at a high rate in the remains of the Supernova of 1006 AD -- which appeared to medieval viewers to be as bright as the Moon -- and that they are accelerated to high velocities by a process first suggested by the nuclear physicist Enrico Fermi in 1949.