释义 |
Harvard classification
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[C20: named after the observatory at Harvard, Massachusetts, where it was prepared and published as part of The Henry Draper Catalogue (1924)]Translationsclassificazione di HarvardHarvard classification
Harvard classification (Henry-Draper system) See spectral types. |