Assertion: supermassive black hole | /r/AtLocation | the center of ngc 4889
Facets:
Source sentences:
text: One known supermassive black hole is located at the center of NGC 4889, which is found in the Coma Cluster.
text: One known supermassive black hole is located at the center of NGC 4889, which is found in the Coma Cluster.