#1627 : Des cristaux flottants stoppent le refroidissement des naines blanches

Ça Se Passe Là-Haut

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Les étoiles naines blanches ne sont pas vouées à se refroidir inéluctablement pendant des milliards d'années. C'est ce qu'une équipe d'astrophysiciens vient de montrer, suite à des observations de naines blanches qui semblaient ne pas se refroidir. Ils publient leur étude dans Nature.
https://www.ca-se-passe-la-haut.fr/2024/03/des-cristaux-flottants-stoppent-le.html

Source

Buoyant crystals halt the cooling of white dwarf stars
Antoine Bédard, et al.
Nature (6 march 2024)
https://doi.org/10.1038/s41586-024-07102-y

1700 episoade

#Astrophysique #Univers #Physique #Cosmologie #Eric Simon #Astronomie #Sciences #Sciences Naturelles