Assertion: black hole's point | /r/HasProperty | less matter
Facets:
value: nearby
type: DEGREE
Source sentences:
text: It would also explain why quasars are more common in the early universe: as a quasar draws matter from its accretion disc, there comes a point when there is less matter nearby, and energy production falls off or ceases, as the quasar becomes a more ordinary type of galaxy.