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
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Another is a deep space station jointly run by China and Argentina in the Andean foothills of Patagonia.
—
Simone McCarthy, CNN Money, 31 Jan. 2026
The chemistry that built life on Earth may have begun in deep space, according to a new study.
—Victoria Corless, Space.com, 28 Jan. 2026
Propulsion systems are being reimagined for deep space missions, while energy platforms are being designed not only to decarbonize but to autonomously adapt to demand and solve our deep climate issues.
—CBS News, 22 Jan. 2026
Radiation sensors on the crew and inside Orion will study the impact of radiation in deep space.
—Matthew Glasser, ABC News, 20 Jan. 2026
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Simone McCarthy, CNN Money, 31 Jan. 2026
The chemistry that built life on Earth may have begun in deep space, according to a new study.
—Victoria Corless, Space.com, 28 Jan. 2026
Propulsion systems are being reimagined for deep space missions, while energy platforms are being designed not only to decarbonize but to autonomously adapt to demand and solve our deep climate issues.
—CBS News, 22 Jan. 2026
Radiation sensors on the crew and inside Orion will study the impact of radiation in deep space.
—Matthew Glasser, ABC News, 20 Jan. 2026
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 1 Feb. 2026.
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