Assertion: black hole's environment | /r/HasProperty | immediate
Facets:
Source sentences:
text: Most black holes are too small on the sky for us to determine their immediate environment, but we can still explore these mysterious objects by watching how matter behaves as it nears, and falls into, them.
text: Supermassive black holes actively consuming stars and other material in their immediate environment are known as quasars or, more generally, active galactic nuclei.