About: http://webisa.webdatacommons.org/449265381

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 collapsed upon itself so violently that it???s almost infinitely dense at its center.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com