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  ILR: TUBSAT-N/N1

  http://wayback.archive.org/web/20150302071149/http://www.raumfahrttechnik.tu-berlin.de/tubsat/tubsat-nn1/#259738

  Keine Beschreibung vorhanden.

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  Category:Globular clusters – Wikimedia Commons

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

  Keine Beschreibung vorhanden.

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  Category:NGC 1023 – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:NGC_1023?uselang=de

  Keine Beschreibung vorhanden.

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  Deep-Sky Companions: The Messier Objects - Stephen James O'Meara - Google Books

  http://books.google.de/books?id=jis4evHuuzUC

  If there were a canon for viewing the night sky, Charles Messier would be its author. The galaxies, star clusters, and nebulae cataloged by the famous comet hunter in the late 1700s are still the most widely observed celestial wonders in the heavens. They…

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  Flora Europaea: Plantaginaceae to Compositae (and Rubiaceae) - Google Books

  https://books.google.de/books?id=QXRooltqAVMC

  Originally published between 1964 and 1980, this fourth volume is a revision of the seventh edition of Willis, with substantial amendments and additions. One distinct feature is an alphabetical list of accepted family names in this dictionary with their…

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  Category:Orbits – Wikimedia Commons

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

  Keine Beschreibung vorhanden.

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  Sirius FM1, FM2, FM3, FM4 (Radiosat 1, 2, 3, 4)

  http://space.skyrocket.de/doc_sdat/sirius-cdr.htm

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

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  Category:NGC 185 – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:NGC_185?uselang=de

  Keine Beschreibung vorhanden.

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  "Hexadekagon" - Google-Suche

  https://www.google.de/search?q=%22Hexadekagon%22&btnG=Nach+B%C3%BCchern+suchen&tbm=bks&tbo=1&hl=de

  Keine Beschreibung vorhanden.

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  Explorer: IMAGE (MIDEX 1)

  http://space.skyrocket.de/doc_sdat/explorer_image.htm

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

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