On the spectrum of Mars
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W. W. Campbell
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Article
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1909
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John Wiley and Sons
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English
β 113 KB
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A telegram has been received at the Harvard College Observatory from Professor W. \V. Campbell, Director of the Lick Observatory, stating that IV. W CanrpbeZZ and S. AZbrechf compared the spectra of Mars and the Moon on Mount Whitney, Sept. I and 2, 1909; water vapor-bands a estimated equal intensit