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Showing results for deep space. Search instead for Deep+Space+1.
Synonyms

deep space

American  

noun

  1. space beyond the limits of the solar system.


deep space British  

noun

  1. any region of outer space beyond the system of the earth and moon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of deep space

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Previous work led by LMU physicist Dr. Giulia Roccetti showed that giant planets ejected from their systems may still retain some of their moons after being thrown into deep space.

From Science Daily • May 29, 2026

The £37m deal includes the station's 44 antennas, as well as the Goonhilly Lunar and Deep Space, believed to be the world's first private deep space communications network.

From BBC • May 15, 2026

Artemis III will stick in near-Earth orbit — closer to where the International Space Station sits as opposed to traveling into deep space like Artemis II.

From Los Angeles Times • Apr. 12, 2026

Unlike earlier missions, Artemis is designed with longer-term goals in mind, including future crewed landings and the development of infrastructure that could support deep space exploration.

From Salon • Apr. 11, 2026

A lot of the time I’d get that feeling like I was in the middle of a huge black ocean, or in deep space, but not in the fascinating way.

From "Extremely Loud and Incredibly Close" by Jonathan Safran Foer

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