Assertion: cosmic ray | /r/HasProperty | produced
Facets:
value: from energetic processes in the universe
type: OTHER
value: undoubtedly
type: DEGREE
value: from supernovae events
type: OTHER
Source sentences:
text: Cosmic rays are generally single atoms or particles that are produced from supernovae events when a star dies.
text: Their direction of arrival may therefore more accurately indicate the region where they were produced.
text: They are undoubtedly produced from energetic processes in the universe, but their origin is not completely understood more than 100 years after their discovery.