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
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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 But even in high orbit, the Space Force is developing a new system called Deep Space Advanced Radar Capability (DARC) for deep space tracking. Brad Dress, The Hill, 28 Nov. 2024 What is Voyager 1? Currently located some 15.4 billion miles from our planet, the Voyager 1 spacecraft has been pushing off into deep space since its launch on September 5, 1977. Thomas G. Moukawsher, Newsweek, 29 Nov. 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 1 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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