Assertion: cosmic ray | /r/HasProperty | other particles
Facets:
Source sentences:
text: Cosmic rays are highly energetic atomic nuclei or other particles (e.g. protons) traveling through space at a speed approaching that of light, thus the term “rays” is technically misleading since they themselves don’t constitute electromagnetic radiation.
text: We found that cosmic rays are actually a highly energetic atomic nucleus or other particles travelling through space at a speed approaching that of light.