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white dwarf

/waɪt dwɔːrf/

Traduction: Étoile petite et très dense, ultime étape de l'évolution d'une étoile de masse faible ou moyenne après épuisement de son combustible nucléaire et expulsion de ses couches externes.

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phrase

/waɪt dwɔːrf/C1formalscientific
  • frÉtoile petite et très dense, ultime étape de l'évolution d'une étoile de masse faible ou moyenne après épuisement de son combustible nucléaire et expulsion de ses couches externes.

A small, dense star that is the final evolutionary stage of a low- to medium-mass star, after it has exhausted its nuclear fuel and shed its outer layers.

  1. Stellar remnantC1formal

    A small, dense star that is the final evolutionary state of a star like the Sun, after it has exhausted its nuclear fuel and shed its outer layers.

    frnaine blanche

    • The white dwarf is incredibly dense, with a mass similar to the Sun but a volume similar to Earth.
    • Astronomers study white dwarfs to understand the future of our own Sun.
    • The cooling of a white dwarf takes billions of years.