Dwarf irregular galaxies
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| dcterms modified |   |
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| definition | An irregular galaxy that is much smaller than other irregulars. Dwarf irregulars are generally metal poor and have relatively high fractions of gas. They are thought to be similar to the earliest galaxies that populated the Universe, and are therefore important to understand the overall evolution of galaxies. | |||||||||||
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| contributor | AAS_Frey.Katie original | |||||||||||