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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
Koch’s Postulates, Anthrax, […] Mystery of the gigantic Oort cloud from deep space explained
Astronomers possibly solve the mystery of how the enormous Oort cloud, with over 100 billion comet-like objects, was formed.
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Big Think, 24 June 2024
With a budget of $2.6 billion in contracts available through 2028, the program will see NASA more often partnering with private companies to help place scientific payloads on the lunar surface, freeing the space agency up to focus on building spacecraft and rockets for deep space missions.
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Eric Lagatta, USA TODAY, 8 Jan. 2024
But even though she’s been living in deep space, Osha gets identified as the murderer by the noodle shop’s proprietor.
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Noel Murray, Vulture, 4 June 2024
Boeing is the lead contractor for the SLS core stage and upper stage and has pitched the SLS, primarily a crew launch vehicle, as a rocket for military satellites and deep space probes.
—
Stephen Clark, Ars Technica, 11 May 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'deep space.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 4 Jul. 2024.
Kids Definition
deep space
noun
: space outside the earth's atmosphere and especially that part lying beyond the earth-moon system
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