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Concept information

Preferred term

Irregular galaxies  

Definition

  • A galaxy with no spiral structure and no symmetric shape. Irregular galaxies are usually filamentary or very clumpy in shape and tend to smaller than others. Two types of irregular galaxies are defined, Irr I galaxy and Irr II galaxy. (en)

Broader concept

Editorial note

URI

http://astrothesaurus.org/uat/864

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