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Old May 09, 2012, 08:26 PM
aeronaut999 is offline
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Quote:
Originally Posted by BMatthews View Post
For the same reason your space craft example would not produce a downwash velecity vector which traveled for thousands of miles or light years.
If the spacecraft is flying through a very dispersed (non-viscous) gas cloud, whose molecules are acting much like bb's in a vacuum, then I say that if the wing of the space craft puts the molecules (bb's) into motion, they will indeed travel for thousands of miles or light years

Steve
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