PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In other words the center was the Earth as described by Ptolemy.In order to make his system regarding the celestial spheres, Ptolemy added cycles and epicycles, due to the fact that all the things such as planets, stars, moons, ect moved in small circles within their specific spheres.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceray.com