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Definitions

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.

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

The four astronauts took thousands of photographs throughout their journey, amassing a stunning portfolio of images from deep space.

From Barron's • Apr. 10, 2026

He is a deep space network mission operations engineer at the site.

From BBC • Mar. 27, 2026

It appeared to be a portal into deep space.

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