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Activity bubbling up

The discovery of giant X-ray bubbles above and below the centre of the Milky Way confirms that the central supermassive black hole was once more than 100 million times brighter than its current state.

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Fig. 1: Schematic of the geometry of the Fermi and eROSITA bubbles.


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Correspondence to Jun Kataoka.

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Kataoka, J. Activity bubbling up. Nat Astron 5, 11–12 (2021).

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