About: http://webisa.webdatacommons.org/388754175

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	During launch, one of the four Viking engines on the first stage developed a combustion instability which led to an engine fire, subsequent explosion and destruction of the vehicle.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org