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
Lawrence Livermore National Laboratory will have 13 months to develop a low-orbit telescope that will be part of a space mission expected to launch in 2027 to help select future moon landing sites, map mineral deposits, and eventually identify deep space threats to Earth.
—
Chase Hunter, Mercury News, 10 Aug. 2025
The flyby also provided a valuable opportunity to test Clipper's two onboard scientific instruments in deep space conditions, including its radar system, known as REASON (short for Radar for Europa Assessment and Sounding: Ocean to Near-surface).
—Sharmila Kuthunur, Space.com, 4 Aug. 2025
One of the biggest plays is lunar and deep space data centers.
—Diana Olick, CNBC, 15 July 2025
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
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.
Chase Hunter, Mercury News, 10 Aug. 2025
The flyby also provided a valuable opportunity to test Clipper's two onboard scientific instruments in deep space conditions, including its radar system, known as REASON (short for Radar for Europa Assessment and Sounding: Ocean to Near-surface).
—Sharmila Kuthunur, Space.com, 4 Aug. 2025
One of the biggest plays is lunar and deep space data centers.
—Diana Olick, CNBC, 15 July 2025
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
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 19 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share