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(astronomy) The dim, highly dense core remnant that is the final stage in the evolution of a star of low or medium mass, after nuclear reactions have ceased.

Image of the Sirius system taken by the Hubble Space Telescope. Sirius B, which is the closest white dwarf to Earth, can be seen as a faint point of light to the lower left of the much brighter Sirius A.

(astronomy) The dim, highly dense core remnant that is the final stage in the evolution of a star of low or medium mass, after nuclear reactions have ceased.

Hertzsprung–Russell diagram, no text, for navigation images with active text links.

(astronomy) The dim, highly dense core remnant that is the final stage in the evolution of a star of low or medium mass, after nuclear reactions have ceased.

Radius–mass relations for a model white dwarf. Mlimit is denoted as MCh.