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Media Centre Press ReleasesESA TelevisionLaunch Media CornerExhibitionsServices CalendarPublicationsFrequently asked questionsESA-sponsored ConferencesHelpSite CreditsPortal terms of useCommentsSubscribe | Related news Rapid heartbeat in Andromeda indicates a new kind of objectStriking ultraviolet images from XMM-Newton: Extreme stellar activity and the supermassive black hole in M81"Stop monster! Show us your spectrum!"Related links ESA's XMM website | |||