Assertion: cosmic ray | /r/HasProperty | accelerated by supernova
Facets:
Source sentences:
text: Cosmic rays are very high energy particles like electrons, protons and more massive nuclei which are accelerated by cosmic objects like supernova and the strong electromagnetic fields they produce.
text: Cosmic rays are very high energy particles like electrons, protons and more massive nuclei which are accelerated by cosmic objects like supernova and the strong electromagnetic fields they produce.