Assertion: supernova | /r/HasProperty | one of the most violent events
Facets:
Source sentences:
text: Supernovas are one of the most violent events in the universe, and the force of the explosion generates a blinding flash of radiation, as well as shock waves analogous to sonic booms.
text: Modern astronomers now know that a supernova, one of the most violent events in the universe, is the massive explosion of a star.