PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The separation (column 'Sep') is the angular distance between the two planets, measured relative to Venus, e.g. on 2015 Jul 1, Jupiter is positioned 0???.4 North of Venus at the time shown.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nakedeyeplanets.com