space travel

noun
spaceflight of manned vehicles.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To space travel
Example sentences
They are matched by the problems involved in what might be called the
  housekeeping aspects of space travel.
Enjoy our exciting science collections and space travel in our popular
  planetarium.
We have no way of defending ourselves against extraterrestrials that are
  capable of space travel at this point of our development.
It would also allow us to develop the foundation for space travel.
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