Astronomie

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Astronomie

Geografische Koordinaten:
Hamburg, Bundesstrasse: 53 Grad 34 Minuten Nord, 9 Grad 58 Minuten Ost
Kalender:
http://www.kr8.de/kalender (alte URL: /kalender)
Beobachtung von Erdsatelliten:
http://www.heavens-above.com
Mars Express:
Mars Express 25.12.2003
astronomie.info:
http://www.astronomie.info

Wie berechne ich die TagesLaenge ?


-- Main.DietrichKracht - 28 Dec 2003