#1131 : Une étoile hypervéloce provenant de la galaxie naine satellite Sagittarius

from Ça Se Passe Là-Haut · host eric simon

Une équipe d'astrophysiciens chinois rapporte la découverte d'une étoile hypervéloce dont la trajectoire semble provenir de la galaxie naine satellite Sagittarius. Elle en aurait été éjectée violemment il y a environ 38 millions d'années... Une étude parue dans The Astrophysical Journal Letters.

Episode metadata supplied by the publisher feed · Published Feb 7, 2021

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#1131 : Une étoile hypervéloce provenant de la galaxie naine satellite Sagittarius

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