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
After takeoff, the twin EscaPADE spacecraft will soar into deep space.
—
Jackie Wattles, CNN Money, 8 Nov. 2025
Cursed with incredible longevity, Mawukana na-Vdnaze can pilot sentient ships in deep space without going mad; death is an evolution rather than an end.
—Literary Hub, 3 Nov. 2025
And then there is the research on the astronauts themselves that could have knock-on effects both for helping crews stay healthier on long-duration deep space missions, and also provide new clues to the riddle of aging—and perhaps slow it down.
—Jeffrey Kluger, Time, 31 Oct. 2025
Researchers also hope to understand how interstellar comets survive the harsh conditions of deep space.
—Hannah Parry, MSNBC Newsweek, 29 Oct. 2025
See All Example Sentences for deep space
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.
Jackie Wattles, CNN Money, 8 Nov. 2025
Cursed with incredible longevity, Mawukana na-Vdnaze can pilot sentient ships in deep space without going mad; death is an evolution rather than an end.
—Literary Hub, 3 Nov. 2025
And then there is the research on the astronauts themselves that could have knock-on effects both for helping crews stay healthier on long-duration deep space missions, and also provide new clues to the riddle of aging—and perhaps slow it down.
—Jeffrey Kluger, Time, 31 Oct. 2025
Researchers also hope to understand how interstellar comets survive the harsh conditions of deep space.
—Hannah Parry, MSNBC Newsweek, 29 Oct. 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 12 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share