Assertion: black hole's center | /r/MadeOf | supermassive black hole
Facets:
Source sentences:
text: It is now widely accepted that the center of nearly every galaxy, not just active ones, contains a supermassive black hole.
text: Nevertheless, it is commonly accepted that the center of nearly every galaxy contains a supermassive black hole.
text: Nevertheless, it is commonly accepted that the center of nearly every galaxy contains a supermassive black hole.