PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We know from other Cassini instruments that the surface of Titan is made of water ice mostly covered with a layer of organic molecules ??? the water ocean may also be doped with other ingredients, including ammonia or ammonium sulphate, underlines Dr Iess.
http://www.w3.org/ns/prov#wasQuotedFrom
  • esa.int