| 释义 |
DictionarySeeHertzsprung-Russell diagramcolor-magnitude diagram
color-magnitude diagram (C-M diagram) See Hertzsprung–Russell diagram.color-magnitude diagram[′kəl·ər ¦mag·nə‚tüd ‚dī·ə‚gram] (astronomy) A graph of the apparent or absolute magnitudes of a group of stars versus their color indices. |