PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Basically, the magnetosphere is a region of space around Earth controlled by our planet's magnetic field and it forms a shield that normally protects Earth from solar wind storms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science20.com