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(All user names refer to en.wikipedia) 2005-01-02 18:49
gov/apod/ap030312.html COPYRIGHT: “NASA images generally are not copyrighted. You may use NASA imagery, video and audio material for educational or informational purposes, including photo collections, textbooks, public exhibits and Internet Web pages.”
Information Security Defense in depth onion diagram Created by WideClyde (myself), 2005, using MS Power Point. Variations of this diagram are found in many different text books and other training materials.