About: http://webisa.webdatacommons.org/116986191

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 book marked a sort of change in thinking in the realm of???exobiology, one from ???intelligent civilizations are everywhere??? championed by the late Carl Sagan to the concept that we may be the only ones, if not the first.
http://www.w3.org/ns/prov#wasQuotedFrom	astroguyz.com