#789 : Découverte d'une galaxie fantôme autour de la Voie Lactée

from Ça Se Passe Là-Haut · host eric simon

Les données astrométriques de Gaïa ont permis d'identifier la présence d'une grosse galaxie satellite de notre Galaxie, mais contenant extrêmement peu d'étoiles et donc quasi indétectable. Cette grosse galaxie naine pose pas mal de questions.

Episode metadata supplied by the publisher feed · Published Nov 14, 2018

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#789 : Découverte d'une galaxie fantôme autour de la Voie Lactée

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