Thread: Is the Unisverse really expanding?
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  #26  
Old 23-05-2005, 11:45 AM
slice of heaven
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slice of heaven is offline 		 
Join Date: Mar 2005
Location: S.A.
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Sorry Ving, I'm always silly on Monday mornings.

Heres a simple diagram to explain rocket thrust

http://www.grc.nasa.gov/WWW/K-12/airplane/rockth.html

Exhaust nozzle size matters
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