Meanings
adjectivedeep-sky (not comparable)
- not comparableastronomyExisting outside of the Solar System; relating to that which exists outside of the Solar System.
Origin
A modern term used primarily by amateur astronomers.
Full word history & related roots →Translations
Hungarian mélységobjektum
- mélységobjektumobject in the night sky other than a solar system object, single star or multiple star system
Cite this entry
APA
deep-sky. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/deep-sky
MLA
“deep-sky.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deep-sky. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “deep-sky,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/deep-sky.
Source: deep-sky on Wiktionary, CC BY-SA 4.0.