space travel

noun
spaceflight of manned vehicles.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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WordNet
space travel

noun
a voyage outside the Earth's atmosphere [syn: spaceflight
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Space travel is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Example sentences
He didn't really care about robots or space travel, though they sometimes turn
  up in his stories.
Enjoy our exciting science collections and space travel in our popular
  planetarium.
There is no simple stuff when you're dealing with space travel.
Commercial space travel is now almost within reach of ordinary citizens.
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