About: http://webisa.webdatacommons.org/422900042

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	The result was an engine that runs reliably on propellants that are not only cheaper and safer here on Earth, but could also be potentially manufactured on the moon or even Mars.
http://www.w3.org/ns/prov#wasQuotedFrom	spacefellowship.com