white dwarf

noun

plural white dwarfs

: a small hot whitish star of low intrinsic brightness usually with a mass approximately equal to that of the sun but with a density many times larger

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Situated some 3,000 light-years away from Earth, the Blaze Star is a binary system in which a white dwarf, the core remains of a dying star, accumulates material from its neighboring red giant star. —

Alexa Robles-Gil, Smithsonian Magazine, 7 Oct. 2024 The white dwarf stage is normally a super peaceful retirement period for stars. —

Jacek Krywko, Ars Technica, 21 May 2024 Their proximity allows material to flow from the subgiant to the white dwarf. —

Robert Lea, Space.com, 23 Dec. 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 See all Example Sentences for white dwarf