Assertion: nebula's star | /r/CapableOf | change brightness
Facets:
value: in just a few hours
type: TEMPORAL
value: unpredictably
type: MANNER
Source sentences:
text: Perhaps they are related to chaotic winds from the variable central star, which changes brightness unpredictably in just a few hours.
text: As the nebula expands, the star increases its brightness and temperature, but its radius decreases steadily.
text: Perhaps they are related to chaotic winds from the variable central star, which changes brightness unpredictably in just a few hours.