Assertion: crab pulsar | /r/CapableOf | vary in strength
Facets:
value: over a year of elapsed time
type: TEMPORAL
value: by almost 10 db
type: OTHER
Source sentences:
text: It is noted, however, that the Crab Pulsar has been observed to vary in strength by almost 10 dB over a year of elapsed time, with 4 dB variation day-to-day.