| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024G star, [Astron.]- Astronomya yellow star, as the sun or Capella, having a surface temperature between 5000 and 6000 K and an absorption spectrum in which the ultraviolet pair of lines of singly ionized calcium are strongest and in which the Balmer series is prominent. Cf. spectral type.
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