MavicaNET - Calendar and Timekeeping

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Calendar and Timekeeping
	Catalóg / Cultúir / Eolaíocht / Earth & Space Sciences / Réalteolaíocht / Calendar and Timekeeping


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Féilirí

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Astroplus
L'astronomie: l'histoire et les actualités. Un dossier de système solaire, les constellations, une page consacrée aux différents épisodes de l'exploration spatiale. L'information sur des recherches d'une vie extraterrestre: témoignages et hypothèses. Le temps: les différents calendriers, historique des instruments permettant de calculer le temps, problème de la date du nouveau millénaire. [fra]

A Walk Through Time
The history of timekeeping from acient calendars to NIST time calibration [eng]

Islamic Calendar
Islamic months begin at sunset on the day of visual sighting of the lunar crescent. How can we define this moment? [rus | eng]

A Calendar for Mars
Mars needs a calendar - using Earth dates just won't do. If I tell you it is February 1, you know that it is freezing in Minneapolis, but what does it tell you about conditions on Mars? Article by Dr. Robert Zubrin. [eng]

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