Assertion: star | /r/CapableOf | fade in 100 years
Facets:
value: from c.
type: TEMPORAL
value: gradually
type: MANNER
value: by about 20%
type: OTHER
Source sentences:
text: In addition to the day-long dimmings, a study of a century's worth of photographic plates suggests that the star has gradually faded in 100 years (from c. 1890 to c. 1990) by about 20%, which would be unprecedented for any F-type main-sequence star.