About: http://webisa.webdatacommons.org/427072506

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	On average they occur once every eight years (that is an average, the interval between two transits can be shorter or longer).
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu