carbon star

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noun Astronomy.

a relatively cool, red giant having a spectrum with strong bands of carbon compounds.

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Also called C star.

Compare spectral type.

Words nearby carbon star

carbonous, carbon paper, carbon process, carbon sequestration, carbon sink, carbon star, carbon steel, carbon tax, carbon tetrachloride, carbon tissue, carbon trading

How to use carbon star in a sentence

So rather than lean too heavily on them, their team is combining measurements based on multiple kinds of standard-candle stars from the Gaia data set, including Cepheids, RR Lyrae stars, tip-of-the-red-giant-branch stars and so-called carbon stars.
Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse|Natalie Wolchover|December 17, 2020|Quanta Magazine