Is there a ring around Sedna?

Nope. It's a celestial body discovered a few years back beyond the orbit of Pluto. A planetoid. Before the recent redefintion, you could have considered it Planet 9.5 :-)
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>http://msnbc.msn.com/id/4533039/
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>>Isn't Sedna the name of some moon for one of the outer planets? Pluto is no longer a planet - it's like a Planetiod (or something) now.
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>>>Interesting! Never heard of that one!
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>>>>>Sedna....
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>>>>This is another definition of Sedna. :)
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>>>>http://en.wikipedia.org/wiki/Sedna_%28Ireland%29