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outer space
noun
: space immediately outside the earth's atmosphere
broadly
: interplanetary or interstellar space
Examples of outer space in a Sentence
a satellite in outer space
Is there life in outer space?
Recent Examples on the Web
Joining the operation eventually are Tom and Maddie who travel to London with the team, but find themselves in too deep against Shadow and the Robotnik duo all around the globe including some action in Japan and later the big finale in outer space.
—Pete Hammond, Deadline, 18 Dec. 2024
More generally, studying particles from outer space often demands audacious proposals, especially ones that make use of the natural world.
—Matt Von Hippel, Ars Technica, 25 Nov. 2024
Long stays in the low-gravity conditions of outer space can take a toll on the human body, leading to the loss of body fat, muscle mass and bone density.
—Eric Lagatta, USA TODAY, 21 Nov. 2024
The gift recipients can make their mark on the world with playful images of the sea and outer space.
—Megan Ulu-Lani Boyanton, Better Homes & Gardens, 20 Nov. 2024
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Word History
First Known Use
1842, in the meaning defined above
Dictionary Entries Near outer space
Cite this Entry
“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 18 Jan. 2025.
Kids Definition
outer space
noun
: space entry 1 sense 4
especially
: the region beyond the solar system
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