: relating to or existing in space outside the solar system
deep-sky objects

Examples of deep-sky in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The competition highlights stunning views of the night sky, aurorae, solar eclipses, and deep-sky phenomena, often showcasing the growing trend of astrotourism. Jamie Carter, Forbes.com, 30 June 2026 ArcBlue is pitching a simpler astrophotography setup that minimizes installation and monitoring, while still aiming for serious deep-sky capability. New Atlas, 12 June 2026 Heavy light pollution washed out faint deep-sky objects like galaxies and nebulas, reducing contrast and making astrophotography far more challenging. Daisy Dobrijevic, Space.com, 15 May 2026 Reset Hotel in Joshua Tree turns shipping containers into portals for deep-sky stargazing. Kevin Sintumuang, Outside, 10 Mar. 2026

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of deep-sky was in 1942

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Cite this Entry

“Deep-sky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sky. Accessed 6 Jul. 2026.

Kids Definition

deep-sky

adjective
ˌdēp-ˌskī
: relating to or existing in space outside the solar system
deep-sky objects
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