| 单词 | Hertzsprung-Russell diagram |
| 释义 | Hertzsprung-Russell diagram /hairt"sproong rus"euhl/, Astron. the graph showing the absolute magnitude plotted against the surface temperature for a group of stars. Also called H-R diagram. [after Danish astronomer Ejnar Hertzsprung (1873-1967) and H. N. RUSSELL, who compiled the data on which it is based] |
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