About: http://webisa.webdatacommons.org/231259134

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	Hey Roger, there is a fairly good book on the light transit time problem, Starlight and Time by Dr Russell Humphreys.
http://www.w3.org/ns/prov#wasQuotedFrom	drwile.com