An alien concept.
Kaplan
Fred
F
war_stories@hotmail.com
D001256:Astronomy / Q000266:history* / Q000295:instrumentation; D018559:Exobiology / Q000266:history* / Q000295:instrumentation; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D011846:Radio Waves