Assertion: quasar | /r/MadeOf | supermassive black hole
Facets:
Source sentences:
text: A quasar is the heart of a galaxy, consisting of a supermassive black hole.
text: Quasar: A quasar is an active galactic nucleus which consists of a super-massive black hole surrounded by an accretion disk of gas.
text: A quasar is the heart of a galaxy, consisting of a supermassive black hole.
text: A quasar is the heart of a galaxy, consisting of a supermassive black hole.
text: Quasar: A quasar is an active galactic nucleus which consists of a super-massive black hole surrounded by an accretion disk of gas.