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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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, 4 Apr. 2026
Their flight plan for Friday also included rehearsals of basic medical procedures — including chest compressions and methods to clear airway obstructions — to help prepare future Orion crews for possible emergencies in deep space.
—William Harwood, CBS News, 3 Apr. 2026
The four astronauts of NASA's Artemis 2 mission are now fully locked in to their trip around the moon after their Orion spacecraft aced a critical maneuver Thursday evening (April 2) to fling them into deep space.
—Tariq Malik, Space.com, 3 Apr. 2026
Elements of the vision unveiled by Isaacman and other NASA officials last week, such as deep space nuclear propulsion, nuclear reactors on the Moon, and prospecting for lunar resources, will require significant investment in new space technology.
—Stephen Clark, ArsTechnica, 3 Apr. 2026
See All Example Sentences for deep space
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Richard Tribou, The Orlando Sentinel, 4 Apr. 2026
Their flight plan for Friday also included rehearsals of basic medical procedures — including chest compressions and methods to clear airway obstructions — to help prepare future Orion crews for possible emergencies in deep space.
—William Harwood, CBS News, 3 Apr. 2026
The four astronauts of NASA's Artemis 2 mission are now fully locked in to their trip around the moon after their Orion spacecraft aced a critical maneuver Thursday evening (April 2) to fling them into deep space.
—Tariq Malik, Space.com, 3 Apr. 2026
Elements of the vision unveiled by Isaacman and other NASA officials last week, such as deep space nuclear propulsion, nuclear reactors on the Moon, and prospecting for lunar resources, will require significant investment in new space technology.
—Stephen Clark, ArsTechnica, 3 Apr. 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 5 Apr. 2026.
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