Dictionary.com
definitions
  • synonyms

G star

See more synonyms on Thesaurus.com
noun Astronomy.
  1. a 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.
Compare spectral type.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018