About: http://webisa.webdatacommons.org/165278097

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	If the earth is a sphere and the equator has a circumference of 40,000 km, what is the circumference of the Arctic circle, at latitude 66 degrees?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com