About: http://webisa.webdatacommons.org/390725186

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	Real spaceships that stay in space permanently, and develop the technology to sustain them i.e. propellant depots and such.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com