Assertion: nearby supernova | /r/HasProperty | visible
Facets:
value: from earth
type: LOCATION
Source sentences:
text: The last time a nearby supernova was visible from Earth was in 1987.
text: The last time a nearby supernova was visible from Earth was in 1987, that star was in the Large Magellanic Cloud about 168,000 light years away - Betelgeuse is 700 light years away