Assertion: nova's brightness | /r/HasProperty | original
Facets:
Source sentences:
text: A classic nova is a star that is dim and then becomes up to a million times brighter than its original brightness.
text: Unlike a supernova, a nova is not blown apart by the explosion and gradually returns to its original brightness over a period of weeks to years.
text: Unlike a supernova, a nova is not blown apart by the explosion and gradually returns to its original brightness over a period of weeks to years.
text: A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years” (1).