Meaning Of The Word Messier number

Real Dictionary

What's the definition of Messier number? Find Messier number meanings, definitions and more at the Real Dictionary online.

Messier number Meaning

Messier number Definition
Messier number Definition

What's The Definition Of Messier number?

Messier number in American English
noun: a number (preceded by M) designating the 109 double stars, clusters, nebulae, and galaxies in the Messier catalog

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