Clarifications on exoplanets
DOI: 10.1063/1.3177214
On page 47 of the article in the May 2009 issue of Physics Today, figure 2b is mistakenly credited to Geoff Marcy rather than the National Solar Observatory. The high-resolution solar spectrum was produced with the Fourier-transform spectrometer at the McMath-Pierce Solar Facility in 1984 and serves as a proxy for a high-resolution spectrum of a Sun-like star. Credit for the image should go to NSO/AURA/NSF.
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Jonathan Lunine, University of Arizona Tucson, US .
