from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The dynamics of natural and human-made bodies in outer space.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the study of the motion of rockets and other spacecraft usually from Newton's laws of motion and Newton's law of universal gravitation
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of astronomy that studies the motion of natural and artificial bodies in space
Sorry, no etymologies found.