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Old 09-08-2012, 07:10 PM   #57
PefeFoesk

Join Date
Oct 2005
Posts
488
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http://airandspace.si.edu/education/pubs/ds_guide.pdf

Earth is the cradle of humanity, but it is impossible to live forever in the cradle." ~ Tsiolkovski, 1912 (Russian rocketry pioneer & futurist)

The best way to predict the future is to create it."
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