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
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For years, the cosmic ray subsystem’s three-telescope array observed fluctuations from protons and other deep space energies, and was integral in determining when and where Voyager 1 exited the heliosphere.
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Andrew Paul, Popular Science, 5 Mar. 2025
The lander carries four other science and technology payloads as well, including an instrument that's monitoring radiation levels in deep space and an experiment that will attempt to grow algae — a potential food source for future moon settlers — on the lunar surface.
—Mike Wall, Space.com, 4 Mar. 2025
But what about crewed deep space missions to Mars and other destinations in the Solar System?
—Ars Technica, 2 Mar. 2025
Beyond that, deep space exposes them to radiation, which can damage DNA and increase long-term health risks.
—Jake Parks, Discover Magazine, 1 Mar. 2025
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Andrew Paul, Popular Science, 5 Mar. 2025
The lander carries four other science and technology payloads as well, including an instrument that's monitoring radiation levels in deep space and an experiment that will attempt to grow algae — a potential food source for future moon settlers — on the lunar surface.
—Mike Wall, Space.com, 4 Mar. 2025
But what about crewed deep space missions to Mars and other destinations in the Solar System?
—Ars Technica, 2 Mar. 2025
Beyond that, deep space exposes them to radiation, which can damage DNA and increase long-term health risks.
—Jake Parks, Discover Magazine, 1 Mar. 2025
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 12 Mar. 2025.
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