Assertion: pulsar's size | /r/HasProperty | only a few 10s of kilometers
Facets:
value: maybe
type: DEGREE
Source sentences:
text: The size of the black hole (maybe only a few 10s of kilometers) is much smaller than that of the accretion disk (a few 1000s or 100,000s of kilometers in size), so it would be very difficult to see, even if it were visible to telescopes.