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outer space - 3 dictionary results

outer space

–noun
1. space beyond the atmosphere of the earth.
2. deep space.

Origin:
1875–80

deep space

–noun
space beyond the limits of the solar system.
Also called outer space.


Origin:
1950–55


deep-space, adjective
outer space  
n.  Any region of space beyond limits determined with reference to the boundaries of a celestial body or system, especially:
a. The region of space immediately beyond Earth's atmosphere.
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