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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After the nova, the white dwarf returns to its normal size, and starts the process all over again. —

Gordon G. Chang, Newsweek, 1 Nov. 2024 But the discovery of an Earth-like planet orbiting a white dwarf—the stage of stellar evolution that follows a red giant—provides evidence that survival is a possibility, researchers reported last week in Nature Astronomy. —

Christie Wilcox, science.org, 30 Sep. 2024 Such white dwarf stars are the hot, glowing stellar cores left behind when dying sunlike stars blow off their outer layers. —

Tom Metcalfe, Scientific American, 31 Oct. 2024 Scientists are hoping to study the nova to discover what happens when the material is blasted from the white dwarf and distributed into neighboring galaxies, Boyd said. —

Julia Jacobo, ABC News, 31 Oct. 2024 See all Example Sentences for white dwarf