Santa and little helper seen beyond Pluto

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Competing teams spy objects on fringe of Solar System.

The new planet, nicknamed 'Santa' (centre), and its tiny moon (below). Credit: © M. Brown et al / Caltech / Keck


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    BrownM. E., et al., preprint available online at %7Embrown/papers/ps/EL61.pdf (2005).

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Jose-Luiz Ortiz's 2003 EL61 page

Mike Brown's 2003 EL61 page

Institute of Astrophysics in Adalucia

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Peplow, M. Santa and little helper seen beyond Pluto. Nature (2005) doi:10.1038/news050725-13

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