space travel

from WordNet (r) 3.0 (2006)
space travel
    n 1: a voyage outside the Earth's atmosphere [syn:
         {spaceflight}, {space travel}, {spacefaring}]
from The Collaborative International Dictionary of English v.0.48
Space travel \Space travel\, n.
   the process of travelling in or into outer space.
   [PJC]
antiflux / dictionary / space travel
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