dark star en · NOUN
Meanings
- 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| dark stars | Number=Plur | lexicographic |
Translations (1)
fr étoile noire (Extremely bright and massive hypothetical astrophysical object)