carbon star

noun

, Astronomy.

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

Example Sentences

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.

From Quanta Magazine