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Comment Re:Why a new class? (Score 2, Informative) 104

HST images were needed to investigate the morphology - the shapes just couldn't be picked out in the original images as the galaxies are so compact. However, it looks like a number of them have complex shapes hinting that they are or have recently been involved in mergers with other galaxies. We don't have much to go on at the moment though.

"Old age and treachery will beat youth and skill every time." -- a coffee cup

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