Assertion: asterism's star | /r/HasProperty | the largest known
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: It is one of largest stars known (sometimes described as the largest known) and is also one of most luminous with a radius varying from 1,420 to 2,200 times the Sun's radius, and a luminosity around 300,000 times greater than the Sun.