Assertion: supernova | /r/CapableOf | explode around the year
Facets:
value: fairly recently
type: TEMPORAL
Source sentences:
text: Gamma rays from the decay of titanium-44 (half-life about 60 years) were independently discovered emanating from it, showing that it must have exploded fairly recently (perhaps around the year 1200), but there is no historical record of it.