Assertion: cosmic ray | /r/AtLocation | supernova explosions
Facets:
Source sentences:
text: 1054 of a supernova comparatively close to the solar system, was the main experimental argument in favor of the hypothesis that cosmic rays originate in supernova explosions.
text: 1054 of a supernova comparatively close to the solar system, was the main experimental argument in favor of the hypothesis that cosmic rays originate in supernova explosions.