About: http://webisa.webdatacommons.org/141479307

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	before the universe was a billion years old, though scientists can???t pinpoint exactly when.
http://www.w3.org/ns/prov#wasQuotedFrom	pbslearningmedia.org