About: http://webisa.webdatacommons.org/295522339

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	A black hole is a region of spacetime which contains a huge amount of mass compacted into an extremely small volume.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com