Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. travel through space in order to visit and explore other worlds
from the GNU version of the Collaborative International Dictionary of English
- n. the process of travelling in or into outer space.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a voyage outside the Earth's atmosphere
Etymologies
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Examples
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Comments
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