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,
29 June 2026
Tanaka said that Hayabusa2 has been busy during its deep space cruise phase, including making observations of the zodiacal light and exoplanets, and the Torifune flyby will, hopefully, not be its final act.
—
Andrew Jones,
Space.com,
28 June 2026
Lockheed Martin is helping shape the next era of deep space exploration, from humanity’s return to the Moon to the long-term goal of reaching Mars.
—
Paid Content By Lockheed Martin,
FOXNews.com,
23 June 2026
Known as the Deep Synoptic Array, the project calls for 1,650 individual radio dishes that together will study supermassive black holes, spinning dead stars known as pulsars and fast radio bursts, which are brief, intense explosions of radio waves that often originate from deep space.
—
Denise Chow,
NBC news,
21 June 2026
See All Example Sentences for deep space
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Richard Tribou,
The Orlando Sentinel,
29 June 2026
Tanaka said that Hayabusa2 has been busy during its deep space cruise phase, including making observations of the zodiacal light and exoplanets, and the Torifune flyby will, hopefully, not be its final act.
—
Andrew Jones,
Space.com,
28 June 2026
Lockheed Martin is helping shape the next era of deep space exploration, from humanity’s return to the Moon to the long-term goal of reaching Mars.
—
Paid Content By Lockheed Martin,
FOXNews.com,
23 June 2026
Known as the Deep Synoptic Array, the project calls for 1,650 individual radio dishes that together will study supermassive black holes, spinning dead stars known as pulsars and fast radio bursts, which are brief, intense explosions of radio waves that often originate from deep space.
—
Denise Chow,
NBC news,
21 June 2026
See All Example Sentences for deep space
Cite this Entry
“Deep space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20space. Accessed 4 Jul. 2026.
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