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
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.
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 

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of deep space was in 1865

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
Last Updated: - Updated example sentences
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