red giant

noun

: a star that has low surface temperature and a diameter that is large relative to the sun

Examples of red giant in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Scientists predict that in roughly 6 billion years, the Sun will run out of hydrogen and begin to die, transforming into a red giant. —

Christie Wilcox, science.org, 30 Sep. 2024 The nova, also referred to as a thermonuclear explosion, occurs when enough material from the red giant builds up in the white dwarf to power a bright outburst. —

Alexa Robles-Gil, Smithsonian Magazine, 7 Oct. 2024 That appears to be what happened some 4000 light-years away, allowing a planet similar in mass and orbital position to slide twice as far from its star, surviving the star’s expansion into a red giant and subsequent contraction into a white dwarf. —

Christie Wilcox, science.org, 30 Sep. 2024 The red giant and white dwarf have an explosive relationship. —

Amanda Kooser, Forbes, 17 Oct. 2024 See all Example Sentences for red giant