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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The recent images from OSIRIS-APEX mark an early milestone, confirming that its cameras and instruments are fully operational after years in deep space, and that the spacecraft is on course for its interplanetary journey.
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Samantha Mathewson, Space.com, 28 Nov. 2025
Every observation out into deep space is also a look back in time.
—Big Think, 24 Nov. 2025
There, for at least 15 weeks, the worms and other microbial samples will face the combined wrath of microgravity, the vacuum of space, and deep space radiation.
—Mrigakshi Dixit, Interesting Engineering, 21 Nov. 2025
But now both productions appear to be stranded in deep space with life support failing.
—Brent Lang, Variety, 14 Nov. 2025
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Samantha Mathewson, Space.com, 28 Nov. 2025
Every observation out into deep space is also a look back in time.
—Big Think, 24 Nov. 2025
There, for at least 15 weeks, the worms and other microbial samples will face the combined wrath of microgravity, the vacuum of space, and deep space radiation.
—Mrigakshi Dixit, Interesting Engineering, 21 Nov. 2025
But now both productions appear to be stranded in deep space with life support failing.
—Brent Lang, Variety, 14 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 3 Dec. 2025.
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