deep space

American  

noun

1. space beyond the limits of the solar system.

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deep space British  

noun

1. any region of outer space beyond the system of the earth and moon

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Other Word Forms

• deep-space
  adjective

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Etymology

Origin of deep space

First recorded in 1950–55

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Example Sentences

See Examples For:

deep space

Instead, space-based data centers will have to use radiators that turn heat into waves of infrared light, which are then dispersed into deep space, he said.

From The Wall Street Journal ● Oct. 1, 2026

With England defending increasingly deep, space for Mexico was appearing in front of England's defence, but Aguirre took off Quinones for 6ft 3in striker Guillermo Martinez.

From BBC ● Jul. 6, 2026

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

We would spend hours playing pretend games about missions to deep space, or landing on Pluto.

From "Auggie & Me" by R. J. Palacio

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