About: http://webisa.webdatacommons.org/455445221

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	Lunar materials returned by the Apollo astronauts contain large quantities of titanium, aluminum, iron and other metals.
http://www.w3.org/ns/prov#wasQuotedFrom	nss.org