• 

  Category:Galaxies – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Galaxies?uselang=de

  Keine Beschreibung vorhanden.

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  Space Test Program (STP) Payloads

  http://space.skyrocket.de/doc_sat/stp.htm

  Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics

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