21 Ergebnisse für: usno
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Category:United States Naval Observatory – Wikimedia Commons
https://commons.wikimedia.org/wiki/Category:United_States_Naval_Observatory?uselang=de
Keine Beschreibung vorhanden.
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Time: From Earth Rotation to Atomic Physics - Dennis D. McCarthy, Kenneth P. Seidelmann - Google Books
https://books.google.de/books?id=7NdrK4e77CIC&pg=PA17&dq=%22Greenwich+Mean+Time%22+OR+GMT#v=onepage
Filling the need for a book that conveys the current technology as well as the underlying history and physical background, this book tells physicists and engineers how to measure time to the precision required for modern-day use. The authors draw on their…
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Category:Valle Fértil Department – Wikimedia Commons
https://commons.wikimedia.org/wiki/Category:Valle_F%C3%A9rtil_Department?uselang=de
Keine Beschreibung vorhanden.
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Astronomie.de - Asaph Hall
http://www.astronomie.de/bibliothek/artikel-und-beitraege/geschichte/asaph-hall/
Keine Beschreibung vorhanden.
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Category:Balloonists – Wikimedia Commons
https://commons.wikimedia.org/wiki/Category:Balloonists?uselang=de
Keine Beschreibung vorhanden.
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GPS (Navstar)
http://space.skyrocket.de/doc_sdat/navstar.htm
Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics
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GPS-2F (Navstar-2F)
http://space.skyrocket.de/doc_sdat/navstar-2f.htm
Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics
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