A stellar occultation by the dwarf planet Eris provides a new estimate of its size. It also reveals a surprisingly bright planetary surface, which could indicate the relatively recent condensation of a putative atmosphere. See Letter p.493
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Gulbis, A. Eris under scrutiny. Nature 478, 464–465 (2011). https://doi.org/10.1038/478464a
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DOI: https://doi.org/10.1038/478464a
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