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Carl Sagan The Risk of Nuclear War 1986 - YouTube
https://www.youtube.com/watch?v=aB7BKhWs8dQ
Keine Beschreibung vorhanden.
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Space Shuttle Thermal Tile Demonstration - YouTube
https://www.youtube.com/watch?v=Pp9Yax8UNoM
Recorded this video during my KSC tour 1 day before the launch of the Atlantis Space Shuttle for STS-135, the last Space Shuttle mission. ==Updated June 3, 2...