Even the 'hood' is still laden with unexpected twists. I would like to see a little more Hubble time dedicated to planetary studies. Perhaps some of the answers to deep space mysteries lay at our doorstep. Anyways, my instinctive reaction to this finding is that Uranus had a recent encounter with a Kuiper object.
Further news on Uranus -
Blue ring discovered around Uranus - http://www.berkeley.edu/news/media/releases/2006/04/06_bluering.shtml
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