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G star

American  

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.


Example Sentences

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But if the spectrum also contains helium lines, then it is a B star, whereas if it contains lines of ionized iron and other metals, it must be a G star.

From Textbooks • Oct. 13, 2016

Looking at the lines in our figure, you see that the star could be either a B star or a G star.

From Textbooks • Oct. 13, 2016

Our Sun, a type G star, has a surface temperature of 5800 K. We know, therefore, that it is cooler than a type O star and hotter than a type M star.

From Textbooks • Oct. 13, 2016

In 2006, the actor turned up to the Toronto Film Festival dressed as TV presenter Borat It is not the first time the Ali G star has used industry events to promote his movies.

From BBC • Feb. 23, 2012

"But there may be more than one type G star," objected the financier.

From Empire by Simak, Clifford D.

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