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deep space

NOUN
outer space
Synonyms
WEAK
celestial spaces cosmic space cosmos intercosmic space intergalactic space interplanetary space interstellar space metagalactic space ocean of emptiness outer space region beyond Earth's solar system the heavens the universe the void the void above

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.

Scientists determined the object had entered the solar system from deep space, making it the third known object to have come from another star system.

From Los Angeles Times • Jun. 6, 2026

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

Victor Glover became the first black astronaut to reach deep space; Christina Koch the first woman; Jeremy Hansen the first Canadian.

From BBC • Apr. 16, 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

It appeared to be a portal into deep space.

From "Ready Player One: A Novel" by Ernest Cline

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