About: http://webisa.webdatacommons.org/404063544

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	Astronomers note that there are black holes with masses up to several billion times that of our sun at the hearts of almost all galaxies in the universe, including our own Milky Way.
http://www.w3.org/ns/prov#wasQuotedFrom	rutgers.edu