#1616 : Le gap entre super-Terres et sous-Neptunes enfin expliqué

Ça Se Passe Là-Haut

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Parmi la population de plus 5000 exoplanètes connues à ce jour, il existe un trou incompris dans la distribution du rayon des planètes, entre les superTerres et les sous-Neptunes (vers R ∼ 1,7 R ⊕). Une équipe d'astronomes s'est repenchée sur cette question et a trouvé une solution très intéressante... Ils publient leur étude dans Nature Astronomy.
https://www.ca-se-passe-la-haut.fr/2024/02/le-gap-entre-super-terres-et-sous.html

Source

A radius valley between migrated steam worlds and evaporated rocky cores
Remo Burn, et al.
Nature Astronomy (9 february 2024)
https://doi.org/10.1038/s41550-023-02183-7

1700 episoade

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