About: http://webisa.webdatacommons.org/455687712

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	Ion propulsion is a new technology and uses electrical power and xenon - a gas that occurs naturally.
http://www.w3.org/ns/prov#wasQuotedFrom	esa.int