About: http://webisa.webdatacommons.org/187123517

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	Corroborated: March 5, 1979, NASA's Voyager 1 probe discovered the rings of Jupiter, that Io is the most volcanically active body in the solar system and that Europa is covered in ice???five months after Meier published this information.
http://www.w3.org/ns/prov#wasQuotedFrom	theyfly.com