astrodynamics
American Heritage Dictionary:
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as·tro·dy·nam·ics
(ăs'trō-dī-năm'ĭks) 
n. (used with a sing. verb)
The dynamics of natural and human-made bodies in outer space.
astrodynamic as'tro·dy·nam'ic adj.
n. (used with a sing. verb)
The dynamics of natural and human-made bodies in outer space.
astrodynamic as'tro·dy·nam'ic adj.
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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