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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Here’s the weird story behind this week’s blast from the past (from outer space). Kiona N. Smith, Forbes.com, 7 May 2025 Alba and Navarro’s response comes as a growing number of other celebrities have waded into the discussion, too, following the 11-minute private rocket flight to the boundary of outer space on Monday, April 14. Anna Lazarus Caplan, People.com, 17 Apr. 2025 The Blue Origin flight will reach the Kármán line—or the boundary where Earth’s atmosphere meets outer space. Elise Taylor, Vogue, 14 Apr. 2025 Flying alongside five other women, including pop star Katy Perry and TV morning show host Gayle King, Bowe soared past the Karman line, the boundary at 62 miles (100 kilometers) that is internationally recognized as the demarcation between Earth's atmosphere and outer space. Robert Z. Pearlman, Space.com, 14 Apr. 2025 See All Example Sentences for outer space

Word History

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of outer space was in 1842

Browse Nearby Words

Cite this Entry

“Outer space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20space. Accessed 24 May. 2025.

Kids Definition

outer space

noun
: space entry 1 sense 4
especially : the region beyond the solar system

More from Merriam-Webster on outer space

Last Updated: - Updated example sentences
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