Une galaxie Seyfert, comportant un noyau actif en son centre, probablement un trou noir supermassif.
(photo HST, APOD 26/07/2003)
Affichage des articles dont le libellé est ASTRONOMIE - Galaxies - NGC 7742. Afficher tous les articles
Affichage des articles dont le libellé est ASTRONOMIE - Galaxies - NGC 7742. Afficher tous les articles
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