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
The $97 million Carruthers mission carries two co-aligned ultraviolet imagers designed for simultaneous observations of Earth's exosphere, a tenuous cloud of hydrogen gas that fades into the airless void of outer space about halfway to the Moon.
—
Kyle Orland, ArsTechnica, 24 Sep. 2025
This investigation focused on the prospect that life on Earth may have been introduced from outer space — a theory called panspermia.
—Leonard David, Space.com, 23 Sep. 2025
The goal was to experiment with the viability of a closed ecological system to maintain human life in outer space.
—Chris Impey, The Conversation, 23 Sep. 2025
The Atacama seemed to appear and disappear through a kaleidoscope positioned in outer space.
—Charles Bethea, New Yorker, 20 Sep. 2025
See All Example Sentences for outer space
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Kyle Orland, ArsTechnica, 24 Sep. 2025
This investigation focused on the prospect that life on Earth may have been introduced from outer space — a theory called panspermia.
—Leonard David, Space.com, 23 Sep. 2025
The goal was to experiment with the viability of a closed ecological system to maintain human life in outer space.
—Chris Impey, The Conversation, 23 Sep. 2025
The Atacama seemed to appear and disappear through a kaleidoscope positioned in outer space.
—Charles Bethea, New Yorker, 20 Sep. 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 1 Oct. 2025.
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