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
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
At the start of the program nearly 15 years ago, NASA and its backers in Congress pitched the SLS rocket as the powerhouse behind a new era of deep space exploration.
—ArsTechnica, 26 June 2025
The objective: to combine the concepts of warped time and deep space.
—Roberta Naas, Forbes.com, 18 June 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.
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
At the start of the program nearly 15 years ago, NASA and its backers in Congress pitched the SLS rocket as the powerhouse behind a new era of deep space exploration.
—ArsTechnica, 26 June 2025
The objective: to combine the concepts of warped time and deep space.
—Roberta Naas, Forbes.com, 18 June 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 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share