About: http://webisa.webdatacommons.org/164989145

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 an object that has all of its mass inside the Schwarzschild radius.
http://www.w3.org/ns/prov#wasQuotedFrom	tripod.com