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Supermassive black hole roars to life as astronomers watch in real time
A similar awakening may one day occur with the Milky Way's supermassive black hole
Astronomers are already preparing for follow-up observations with the VLT's Multi Unit Spectroscopic Explorer (MUSE) and Extremely Large Telescope, among others, and perhaps even the Vera Rubin Observatory slated to come online next summer. “Regardless of the nature of the variations, [this galaxy] provides valuable information on how black holes grow and evolve,” said co-author Paula Sánchez Sáez, an astronomer at the European Southern Observatory in Germany. It may have been active in the past, and it's possible that it will reawaken again in a few million (or even billion) years when the Milky Way merges with the Andromeda Galaxy and their respective supermassive black holes combine.
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