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
As humans expand into outer space, medical research on how our bodies fare in microgravity has been the topic of much research, including space flight’s impact on muscle mass and radiation exposure.
—
Jessica Rendall, Space.com, 20 Aug. 2025
Who hasn't thought their teacher might be an alien from outer space?
—Chris Snellgrove, EW.com, 12 Aug. 2025
Moreover, the first Black woman astronaut, Mae Jemison, went to outer space in 1992.
—Gena Cox, Forbes.com, 28 July 2025
Initially, such adaptable machines could be used in challenging environments like disaster zones or outer space.
—Lydia Patrick, MSNBC Newsweek, 16 July 2025
See All Example Sentences for outer space
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Jessica Rendall, Space.com, 20 Aug. 2025
Who hasn't thought their teacher might be an alien from outer space?
—Chris Snellgrove, EW.com, 12 Aug. 2025
Moreover, the first Black woman astronaut, Mae Jemison, went to outer space in 1992.
—Gena Cox, Forbes.com, 28 July 2025
Initially, such adaptable machines could be used in challenging environments like disaster zones or outer space.
—Lydia Patrick, MSNBC Newsweek, 16 July 2025
See All Example Sentences for outer space
Cite this Entry
“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 29 Aug. 2025.
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