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GalaxieLe cœur de la Voie lactée a explosé il y a 3,5 millions d’années (et c’est une découverte majeure)
D'après une équipe d'astronomes, une déflagration de radiations ioniques s'est produite il y a 3,5 millions d'années. Cette découverte apporte de nouveaux éléments sur la structure de notre galaxie.
8 octobre 2019