Assertion: quasar's hole | /r/AtLocation | the centre of a galaxy
Facets:
Source sentences:
text: They are extremely distant and their energy generation is thought to involve a supermassive black hole located in the centre of a galaxy
text: They are extremely distant and their energy generation is thought to involve a supermassive black hole located in the centre of a galaxy
text: They are extremely distant and their energy generation is thought to involve a supermassive black hole located in the centre of a galaxy