Assertion: universe's galaxy | /r/HasAspect | supermassive black hole
Facets:
value: often
type: TEMPORAL
value: at the core
type: LOCATION
Source sentences:
text: At the core, most galaxies have a supermassive black hole, which may result in an active galactic nucleus.
text: Often galaxies have supermassive black holes embedded in the center of their galaxies, which are only visible through the radiation that each black hole emanates as well as through its gravitational interactions with other objects.