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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Start with what stirs the soul — the iridescence of a bioluminescent reef, the sound of a whale’s song echoing across hemispheres, the eerie quiet of deep space.
—
Melissa Jun Rowley, Rolling Stone, 17 July 2025
The Parker Solar Probe is built to endure extreme conditions — from the freezing cold of deep space to the intense heat near the sun.
—Victoria Corless, Space.com, 14 July 2025
Many of these departing employees are directly involved in NASA's core mission areas like science, human spaceflight, and deep space exploration.
—Martha McHardy, MSNBC Newsweek, 10 July 2025
This telescope appears in several of our guides, ranking as the best overall telescope for seeing the planets as well as the best overall telescope for deep space and the best motorized telescope.
—Kat Bayly, Space.com, 3 July 2025
See All Example Sentences for deep space
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Melissa Jun Rowley, Rolling Stone, 17 July 2025
The Parker Solar Probe is built to endure extreme conditions — from the freezing cold of deep space to the intense heat near the sun.
—Victoria Corless, Space.com, 14 July 2025
Many of these departing employees are directly involved in NASA's core mission areas like science, human spaceflight, and deep space exploration.
—Martha McHardy, MSNBC Newsweek, 10 July 2025
This telescope appears in several of our guides, ranking as the best overall telescope for seeing the planets as well as the best overall telescope for deep space and the best motorized telescope.
—Kat Bayly, Space.com, 3 July 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 Aug. 2025.
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