PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The hot spot is a concentration of a radioactive element thorium sitting between the very large and ancient impact craters Compton and Belkovich that was first detected by Lunar Prospector??s gamma-ray spectrometer in 1998.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org