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Sedna (2003 VB12)
"On 15 March 2004, astronomers from Caltech, Gemini Observatory, and Yale University announced the discovery of the coldest, most distant object known to orbit the sun." This site provides background information about Sedna, and details about the findings of the team. Includes images and related links (such as to the legend of Sedna, the Inuit goddess of the sea). From a member of the team that discovered Sedna.
http://www.gps.caltech.edu/~mbrown/sedna/

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