About: http://webisa.webdatacommons.org/447274104

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	the start point is directly facing the center, i.e. 24 hours for a real earth day.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com