deep space
Americannoun
noun
Other Word 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.
High-energy particles from the Sun and deep space can also trigger computer errors that force spacecraft into "safe mode," temporarily shutting down nonessential systems until engineers resolve the issue.
From Science Daily • May 15, 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
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
"When you're out in deep space by the Moon, and you are listening to a video they recorded for you before you launch. That's something," the Canadian astronaut told a press conference.
From Barron's • Apr. 9, 2026
They made a formal recommendation that we organize an international cooperative program, with new and immense radio telescopes, to probe the reaches of deep space for electromagnetic signals making sense.
From "The Lives of a Cell" by Lewis Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.