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STELLAR COLLAPSE [1 record]

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Record 1 2021-07-14

English

Subject field(s)
  • Astrophysics and Cosmography

French

Domaine(s)
  • Astrophysique et cosmographie
DEF

Contraction brutale d'une étoile se produisant lorsque les forces qui s'opposent à la gravité cessent d'équilibrer cette dernière.

OBS

effondrement stellaire : terme et définition publiés au Journal officiel de la République française le 25 juillet 2015.

Spanish

Campo(s) temático(s)
  • Astrofísica y cosmografía
DEF

Hundimiento, por su peso, de la materia de una estrella, que se concentra entonces, con la consiguiente disminución del diámetro del astro.

CONT

Las más de las veces, el empobrecimiento de la estrella en hidrógeno conduce a la extinción progresiva de las reacciones termonucleares. Al desaparecer la presión radiactiva, equilibrante de la pesantez, se produce el colapso de la estrella cuya materia cae hacia el centro del astro; así se convierte en estrella enana.

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