About: http://webisa.webdatacommons.org/440041661

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 idea (as I understand it) is that we???ve been broadcasting radio and other signals to space that travel at the speed of light and have since propagated to stars (and hence planets) may light years away.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com