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Science 5 September 2008:
Vol. 321. no. 5894, pp. 1301 - 1302
DOI: 10.1126/science.1163194
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Perspectives

ASTRONOMY:
The Universe Measured with a Comb

Sebastian Lopez

A technique for wavelength calibration promises to revolutionize observational astrophysics, in areas including planet searches and cosmology.

Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile. E-mail: slopez{at}das.uchile.cl

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Science. ISSN 0036-8075 (print), 1095-9203 (online)