PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With no forces except gravity, the ball would stay in orbit forever (see activity). (In practice, a small amount of atmosphere is still present even at 200 kilometers, so every satellite will eventually slow down and fall to Earth.) Going, going, gone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astrosociety.org