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

Glover will become the first Black man to travel to deep space, Koch the first woman and Hansen the first non-American. —Richard Tribou, The Orlando Sentinel, 1 May 2026

Hansen, also a mission specialist and the first Canadian to go to deep space, said the view from space never failed to disappoint them. —ABC News, 30 Apr. 2026

RDREs are an experimental propulsion technology that have the potential to one day power highly efficient spacecraft to the Moon and further into deep space. —Chris Young, Interesting Engineering, 27 Apr. 2026

For Hansen, the first Canadian to venture beyond low-Earth orbit, one of the more memorable aspects of flying in deep space was the three-dimensional appearance of the starry void, the moon and the Earth suspended in space close by. —William Harwood, CBS News, 16 Apr. 2026

Word History

First Known Use

1865, in the meaning defined above

Rhymes for deep space

• abase
• airspace
• apace
• backspace
• biface
• birthplace
• blackface
• boldface
• bookcase
• braincase
• briefcase
• carcase

Kids Definition

deep space

noun

: space outside the earth's atmosphere and especially that part lying beyond the earth-moon system