It was before the dawn of recorded history that the first great Age of Sail began. Perhaps along the Nile River, a genius lived who observed the ways of swans and reached a brilliant conclusion. If birds could fluff out their feathers to catch the wind, and drift effortlessly against the current, why couldn’t humans learn the same trick?


Solar Radiation Pressure Advance Composition Explorer Solar Sail Astronomical Unit Solar Distance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media, LLC 2007

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