About: http://webisa.webdatacommons.org/48904106

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	After several 179 year periods there is a 159 year period. the long term average is 171.4 years, the synodic period of Uranus and Neptune.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com