After an initial period of activity, the formation of stars in the Galactic Centre has remained dormant for billions of years. The hibernation ended by a star-formation episode that could be due to the Milky Way interacting with other galaxies.
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Massari, D. Our Galaxy’s second growth spurt. Nat Astron 4, 318–319 (2020). https://doi.org/10.1038/s41550-019-0966-x
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DOI: https://doi.org/10.1038/s41550-019-0966-x
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