PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Orion Nebula is the closest region of active star formation; a massive cloud of gas and dust, it is collapsing under its own gravity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • caradonobservatory.co.uk