deep space
noun
: space well outside the earth's atmosphere and especially that part lying beyond the earth-moon system
Examples of deep space in a Sentence
Recent Examples on the Web
If true, the evidence detailed in their pre-print study may force researchers to reconsider how comets form–not only in deep space, but our own solar system.
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Andrew Paul, Popular Science, 3 Dec. 2025
This telescope can capture great images of deep space objects and even when used in a light-polluted city.
—Harry Bennett, Space.com, 28 Nov. 2025
Every observation out into deep space is also a look back in time.
—Big Think, 24 Nov. 2025
Some of the extreme threats originate from deep space radiation, which can induce genetic damage and increase cancer risk.
—Mrigakshi Dixit, Interesting Engineering, 21 Nov. 2025
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Andrew Paul, Popular Science, 3 Dec. 2025
This telescope can capture great images of deep space objects and even when used in a light-polluted city.
—Harry Bennett, Space.com, 28 Nov. 2025
Every observation out into deep space is also a look back in time.
—Big Think, 24 Nov. 2025
Some of the extreme threats originate from deep space radiation, which can induce genetic damage and increase cancer risk.
—Mrigakshi Dixit, Interesting Engineering, 21 Nov. 2025
See All Example Sentences for deep space
Cite this Entry
“Deep space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20space. Accessed 14 Dec. 2025.
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