A magnetic halo featuring coherent magnetized ridges several kiloparsecs above and below the Galactic Disk, and a gamma-ray counterpart, are revealed. They probably arise from outflows that are driven by star-forming regions in the Galactic Disk, 3–5 kiloparsecs from the Galactic Centre.
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This is a summary of: Zhang, H.-S. et al. A magnetized Galactic halo from inner Galaxy outflows. Nat. Astron. https://doi.org/10.1038/s41550-024-02362-0 (2024).
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Non-thermal outflows of the Milky Way traced by radio polarization and gamma-ray emission. Nat Astron 8, 1357–1358 (2024). https://doi.org/10.1038/s41550-024-02363-z
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DOI: https://doi.org/10.1038/s41550-024-02363-z