About: http://webisa.webdatacommons.org/142131276

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Supermassive black hole are found at the center of almost all the galaxies and are a million times more massive than the Sun.
http://www.w3.org/ns/prov#wasQuotedFrom	quantumday.com