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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Of the two elements that were furthest along, NASA also revealed that one of them—the Power and Propulsion Element—would be repurposed to serve as a core module for a nuclear-electric propulsion demonstration in deep space.
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Eric Berger, ArsTechnica, 18 June 2026
Glover will become the first Black man to travel to deep space, Koch the first woman and Hansen the first non-American.
—Richard Tribou, The Orlando Sentinel, 17 June 2026
Radio observatories designed to detect extremely faint signals from deep space now have to cope with interference from large satellite constellations.
—Jamie Carter, Forbes.com, 13 June 2026
The mission is an important test of China’s burgeoning ability to perform autonomous, high-precision maneuvers in deep space, which will be essential for the nation’s subsequent forays to the moon and other worlds beyond Earth.
—Andrew Jones, Scientific American, 11 June 2026
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Eric Berger, ArsTechnica, 18 June 2026
Glover will become the first Black man to travel to deep space, Koch the first woman and Hansen the first non-American.
—Richard Tribou, The Orlando Sentinel, 17 June 2026
Radio observatories designed to detect extremely faint signals from deep space now have to cope with interference from large satellite constellations.
—Jamie Carter, Forbes.com, 13 June 2026
The mission is an important test of China’s burgeoning ability to perform autonomous, high-precision maneuvers in deep space, which will be essential for the nation’s subsequent forays to the moon and other worlds beyond Earth.
—Andrew Jones, Scientific American, 11 June 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 24 Jun. 2026.
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