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 race to make possible things like deep space travel, AI, stem cell and other advancements gives hope that even in a few decades, a thawing could be possible.
—
Mike Fleming Jr, Deadline, 20 Oct. 2025
The end result is a magnificent snapshot of deep space, created from particles of light that had travelled thousands of years to reach their destination.
—Anthony Wood, Space.com, 19 Oct. 2025
Almost all spacecraft sent to deep space — including the Voyager probes, Juno, Cassini-Huygens, and Galileo — must execute gravity assist maneuvers, slingshotting around planets to gain velocity for their vast treks.
—Big Think, 15 Oct. 2025
Such a step is necessary for the vehicle to make trips into deep space given its design and enormous size — but it has never been attempted before with any spacecraft.
—Jackie Wattles, CNN Money, 14 Oct. 2025
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Mike Fleming Jr, Deadline, 20 Oct. 2025
The end result is a magnificent snapshot of deep space, created from particles of light that had travelled thousands of years to reach their destination.
—Anthony Wood, Space.com, 19 Oct. 2025
Almost all spacecraft sent to deep space — including the Voyager probes, Juno, Cassini-Huygens, and Galileo — must execute gravity assist maneuvers, slingshotting around planets to gain velocity for their vast treks.
—Big Think, 15 Oct. 2025
Such a step is necessary for the vehicle to make trips into deep space given its design and enormous size — but it has never been attempted before with any spacecraft.
—Jackie Wattles, CNN Money, 14 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 22 Oct. 2025.
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