Question

How do astronomers believe an irregular galaxy forms?
A) Several regular galaxies of different sizes merge.
B) They form when an elliptical and a spiral galaxy merge.
C) They are regular galaxies that are distorted by the gravity field of a large nearby galaxy.
D) They are two or more galaxies that have not completed their merger.
E) They are young galaxies that have not yet developed a more regular form.

Answer

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