Hubble sequence

Hubble sequence

noun

A classification system of galaxy shape as elliptical, spiral, barred spiral, lenticular, or irregular, originally thought to indicate sequential stages of galactic evolution. Also called Hubble classification system . Also called Hubble series . Also called Hubble tuning fork .

Origin of Hubble sequence

AfterEdwin Powell Hubble

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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"Hubble sequence." YourDictionary, n.d. Web. 13 December 2018. <https://www.yourdictionary.com/hubble-sequence>.

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Hubble sequence

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Hubble sequence

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