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

Etymology

Origin of deep space

First recorded in 1950–55

Example Sentences

In support of future deep space exploration, the agency is advancing nuclear power and propulsion technologies designed to expand mission capabilities and enable travel farther into the solar system.

From Science Daily

The crew will also act as medical test subjects, sending back data and imagery from deep space.

From BBC

The technology could also enable navigation in places where GPS signals cannot reach, including deep space and underwater environments such as submarines.

From Science Daily

The interest here is not just the many thousands of pictures including close-ups of the rings of Saturn, but the technology that can put cameras in deep space and send images back to Earth.

From The Wall Street Journal

Astronomers assign catalog numbers like NGC 2264 to help identify and study deep space objects, especially those made of gas, dust, and young stars.

From Science Daily