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red star

American  

noun

Astronomy.
  1. any star with a low surface temperature and a reddish color, as a red giant or a red dwarf.


Etymology

Origin of red star

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The planet, called LHS 1140 b, is 48 light-years from Earth orbiting a red star much smaller and cooler than our Sun.

From BBC Jul. 17, 2026

A bright red star with gold-colored hammer and sickle adorns the pyramid’s peak.

From New York Times Apr. 28, 2023

You put the red star on a guy that you just want in the building.

From Seattle Times Apr. 28, 2022

Earlier this week, the furry red star of “Sesame Street” began trending on social media after an old clip of Elmo absolutely losing his mind over his friend Zoe’s pet rock, Rocco, resurfaced.

From Los Angeles Times Jan. 6, 2022

When we pass Courtney’s house, I half expect to see a red star spray-painted on the front door.

From "Thirteen Reasons Why" by Jay Asher

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