Messier-object Definition
noun
(astronomy) Any of the nebulae, star clusters, or deep sky objects listed in the Messier catalogue.
Wiktionary
Other Word Forms of Messier-object
Noun
Singular:
messier-object
Plural:
messier-objectsOrigin of Messier-object
From Charles Messier, a French astronomer.
From Wiktionary
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