PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Such destabilization would make advanced life impossible, and so would the shower of radiation from these bright stars.However, in spiral galaxies young enough to be unfrayed, life-essential elements are missing, specifically the heavy elements such as uranium and thorium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reasons.org