PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Supernovae produce vast amounts of gamma radiation and particles such as protons and electrons, all of which have very high energy and could destroy the Earth???s atmosphere by degrading ozone and atomic oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceinschool.org