dark star

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dark star

noun dark stars

An extremely bright and massive hypothetical astrophysical object whose illumination is powered by annihilation of dark-matter particles and anti-particles (or by self-annihilation if they are Majorana particles).
obsolete A black hole: star so massive that its escape velocity is above the speed of light, making the star dark, as no light can escape.
Used other than figuratively or idiomatically: see dark, star.

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noun Extremely bright and massive hypothetical astrophysical object

Français	étoile noire

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MLA

"dark star." Wiktionary, via Micwyn, micwyn.com/word/dark%20star. Accessed 6 Nov. 2026.

APA

dark star. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/dark%20star

Chicago

"dark star." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/dark%20star.

BibTeX

@misc{dark_star_2026,
  title = {dark star},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/dark%20star},
  urldate = {2026-11-06}
}