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Harvard classification |
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Harvard classification [ˈhɑːvəd] n (Astronomy) a classification of stars based on the characteristic spectral absorption lines and bands of the chemical elements present See spectral type [named after the observatory at Harvard, Massachusetts, where it was prepared and published as part of The Henry Draper Catalogue (1924)] How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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