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galaxy is a noun.  Its 3 syllables, gal ax y, are pronounced GAL ax e.  There are 2 definitions.

Definition 1 is:  An irregular luminous band encircling the heavens, consisting of innumerable stars:  the one in which we live is known as the Milky Way.  Source:  A modification from the Practical Standard Dictionary

 This link will be to the French:  galaxie.  This link will be to the German:  _____.  This link will be to the Spanish:  galaxia.

This link is to Definition 2.

Associations with galaxy, Definition 1, are:

irregular as an adjective:  Definition 1 of 7 is:  Not regular; departing from or being out of the usual or proper form, order, course, method, proportion, et cetera.  Source:  Practical Standard Dictionary

Needed:  Picture of irregular galaxy NGC 6822.

luminous as an adjective.  Definition 1 of 3 is:  Giving or emitting light; shining.  Source:  Practical Standard Dictionary

band² as a noun.  Definition 4 of 4 is:  Any broad strip of special color, direction, temperature, et cetera.  Source:  Practical Standard Dictionary

encircle as a verb, transitive.  The only definition is:  To surround; environ; make a circuit about.  Source:  Practical Standard Dictionary

heaven^s is a noun.  Definition 2 of 6 is:  The region or regions surrounding the earth; especially, the expanse over the earth which seems like a great dome; the sky; firmament:  frequently used in the plural.  Source:  Practical Standard Dictionary

consist is a verb, intransitive.  Definition 1 of 5 is:  To be composed or constituted; made up:  followed by of; as, man consists of soul and body.  Source:  Practical Standard Dictionary

innumerable is an adjective.  The only definition is:  So numerous as not to be counted; very numerous.  Source:  Practical Standard Dictionary

star as a noun.  Definition 1 of 7 is:  A celestial body so distant as to appear like a luminous point:  in common usage including the planets, but in astronomy limited to the fixed stars, and hence sometimes applied by analogy to the sun.  Source:  Practical Standard Dictionary

Milky Way Galaxy:  In Astronomy is:  a luminous band encircling the heavens, composed of distant stars and nebulae invisible separately to the naked eye.  Source:  Practical Standard Dictionary

spiral as an adjective:  Definition 1 of 3 is:  Winding about and constantly receding from a center.  Definition 2 is:  Winding and advancing; helical.  Source:  Practical Standard Dictionary

spiral galaxy:  One that is shaped like a spiral with arms spiraling outward from a dense central bulge.  Source:  A modification from the Ultimate Visual Dictionary

spiral arm:  One of several arms extending out from the dense central bulge of a spiral galaxy.

Dreyer, Johan Ludwig (1852 - 1926) Danish astronomer who compiled a catalogue of clusters, nebulae and galaxies, titled New General Catalogue.  Source:  Encyclopædia Britannica Micropædia

New General Catalogue (NGC) published in 1888.  Source:  Encyclopædia Britannica Micropædia

Needed:  Picture of spiral galaxy NGC 5256

elliptical as an adjective:  Definition 1 of 2 is:  Of, pertaining to or shaped like an ellipse; oblong with rounded ends.

Needed:  Picture of elliptical galaxy NGC 4406

Dark cloud:  Dust and gas condensing to form a protogalaxy.

protogalaxy as a noun.  Condensing gas forming a galaxy in which stars are being born.

Seyfert galaxy:  One of several spiral galaxies which emit radiation from the galactic nucleus.

radio galaxy:  As Centaurus A.

Magellanic cloud:  An irregular galaxy.

colliding galaxies:  As NGC 5754

Andromeda Galaxy:  Definition 2 in Astronomy is:  A northern spiral galaxy 2.2 million light-years away from Earth; the most distant object visible with the unaided eye.

Definition 2 is:  Any brilliant group, as of persons.  Source:  Practical Standard Dictionary

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Associations with galaxy, Definition 2, are:

The plural of galaxy is: galaxies.  The possessive of galaxy is: galaxy's.

This link will be to galaxy synonyms, antonyms and etymology.

Within the hierarchical structure, this down link is to zodiac and this up link is to galaxy cluster.

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