About: http://webisa.webdatacommons.org/295482830

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 a civilization can last for 10,000 years, a long time for our kind of civilizations here, that means if you are on the opposite side of our galaxy, there is a 10,000 year long wavefront of energy from say, 100,000 LY away.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com