About: http://webisa.webdatacommons.org/151154706

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	Tue, Dec 3, 9:37AM PDT (-0700 GMT). . . [119 ] Dave, what is the likelyhood that any Earth vehicle, past or present, could introduce bacteria or other lifeforms to the Martian environment??
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov