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Old 29-03-2018, 10:48 AM
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Atmos (Colin)
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Join Date: Aug 2011
Location: Melbourne
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That’s really interesting Glen.
My theory that I came up with while reading it is that therwbcould have been a multiple galaxy interaction/merger event long in its past. Let’s say 3-4 galaxies merging at once, in cases like this, one of those galaxies can take most of the angular momentum of the entire group and be cast out.

During this period it would undergo intense star formation AND be stripped of most of its gas leaving it with whatever stars it has at that point in time and nothing new. The dark matter would have been left during the merger.
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