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| ISS bei "nacht". weil die station die erde alle 92,85 minuten umrundet gibt es festgelegte zyklen in denen die crew schläft, die bodenstation überwacht währenddessen die wichtigen systeme. |
Thursday, November 13, 2014
bild der woche
Tuesday, November 4, 2014
lunar sample compendium
"the purpose of the lunar sample compendium is to inform scientists,
students, astronauts and the public about the various unar samples
that have been returned from the moon, mostly by the apollo program."
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