-
- To save this word, you'll need to log in.
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
The fundamental problem with Artemis, therefore, is that NASA is trying to do too much with its deep space program with too few resources.
—Ars Technica, 30 Sep. 2024
Imagine placing a ball at the end of a string out in deep space, where the gravitational field is essentially zero.
—Matt Strassler, Quanta Magazine, 3 Sep. 2024
The sun's outer layers will be cast away into deep space, revealing its pearlescent core.
—Keith Cooper, Space.com, 19 Dec. 2024
Related article SpaceX calls off nail-biting catch attempt as booster splashes down to Earth
The issue relates to how the Orion capsule reenters Earth’s atmosphere upon returning from deep space, said NASA deputy administrator Pam Melroy.
—Jackie Wattles, CNN, 5 Dec. 2024
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.
Word History
First Known Use
1865, in the meaning defined above
Dictionary Entries Near deep space
Cite this Entry
“Deep space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20space. Accessed 18 Jan. 2025.
Kids Definition
deep space
noun
: space outside the earth's atmosphere and especially that part lying beyond the earth-moon system
Love words? Need even more definitions?
Merriam-Webster unabridged
Share