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Science 8 December 2006:
Vol. 314. no. 5805, pp. 1550 - 1551
DOI: 10.1126/science.1135545
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Perspectives

ASTRONOMY:
Enhanced: A Ghostly Star Revealed in Silhouette

Pierre F. L. Maxted

One class of binary stars, in which white dwarfs accrete material from low-mass companions, has long been predicted, but their dimness has made observations difficult. Evidence that they exist now comes from the Sloan Digital Sky Survey.

The author is with the Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK. E-mail: pflm{at}astro.keele.ac.uk

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