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

Word History

First Known Use

1942, in the meaning defined above

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

Dictionary Entries Near deep-sky

Cite this Entry

“Deep-sky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sky. Accessed 1 Mar. 2024.

Kids Definition

deep-sky

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