red star

noun

: a star having a very low surface temperature and a red color

Examples of red star in a Sentence

Recent Examples on the Web An unexpected stellar discovery During their observations of stars near the galactic center, the team identified 21 red stars that experienced unusual changes in luminosity that puzzled astronomers. Ashley Strickland, CNN, 30 Jan. 2024 Wearing white unitards adorned with blue and red stars or a stripe down the side of the leg, the young dancers bounced on their feet before tilting forward and back to the propulsive beat. Gia Kourlas, New York Times, 11 June 2023 In the constellation Orion, look for the red star Betelgeuse, which is Orion’s right shoulder, and the blue star Rigel, Orion’s left foot. Lisa M. Krieger, The Mercury News, 23 Jan. 2024 For the past six years, Wendy Freedman of the University of Chicago (who has worked on the Hubble constant for a quarter century) has focused on a type of old, red star that typically lives in the outer portions of galaxies. Quanta Magazine, 19 Jan. 2024 However, a few extraordinary events are happening this week, from a rare eclipse of the bright red star Betelgeuse to the peak of the best meteor shower of the year, the Geminids. Jamie Carter, Forbes, 10 Dec. 2023 Its dim, red star hosts seven rocky worlds, a few of which are in the habitable zone—at a distance from their star at which liquid water could exist on their surfaces and otherworldly life might thrive. Elise Cutts, Smithsonian Magazine, 22 Sep. 2023 Astronomers have long known that Betelgeuse is a supergiant red star at the end of this sequence and that a supernova is likely. The Physics Arxiv Blog, Discover Magazine, 13 June 2023 The faint red stars make up some 58 of the 100-plus billion stars in the Milky Way, so the new findings greatly expand the prospects for planet hunting. Matt Hrodey, Discover Magazine, 30 May 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'red star.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1750, in the meaning defined above

Time Traveler
The first known use of red star was in 1750

Dictionary Entries Near red star

Cite this Entry

“Red star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20star. Accessed 25 Apr. 2024.

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