| 单词 | g stars |
| 释义 | G starsG starsStars of spectral type G that are yellow stars with a surface temperature (T eff) of about 4900 to 6000 kelvin. The lines of ionized calcium (Ca II, H and K) dominate the spectrum and there are a large number of strong neutral metal lines (strengthening) and ionized metal lines (weakening) from G0 to G9. Molecular bands of CH and CN appear. The Sun, Alpha Centauri, and Capella are G stars. |
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