outer_space has definitions from the field of astronomy
1
[ noun ] (astronomy) any region in space outside the Earth's atmosphere

Synonyms

space

Examples

"the astronauts walked in space without a tether"

Used in print

(James Thurber, "The Future, If Any, of Comedy,"...)

In our age of Science and Angst it seems to me more brave to stay on Earth and explore inner man than to fly far from the sphere of our sorrow and explore outer_space '' .

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