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any large and brilliant or impressive assemblage of persons or things: a galaxy of opera stars.
Source: Dictionary.com
galaxy | Define galaxy at Dictionary.com
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A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and ... However, the word Universe was later understood to mean the entirety of existence, so this expression fell into disuse and the objects instead ...


Galaxy definition, a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. See more.


A galaxy is a collection of stars and planets that are held together by gravity. In a galaxy, the celestial bodies rotate around a central object.


Define galaxy: astronomy : any one of the very large groups of stars that make up the universe — galaxy in a sentence.


a system of millions or billions of stars, together with ... Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.


galaxy meaning, definition, what is galaxy: one of the independent groups of stars in the universe. Learn more.


Jan 27, 2011 ... A pair of astronomers call for a debate on a tricky definition. ... You might think a galaxy is simply a large group of stars, but just how many stars ...


The definition of a galaxy is a large area, particularly of dust, stars and gas that makes up a universe. An example of a galaxy is the Milky Way. YourDictionary ...