Nature Astronomy, Published online: 14 September 2023; doi:10.1038/s41550-023-02076-9

Han, Conroy and Hernquist propose a solution to an old problem: the origin of the warp in the Galactic disk. Adopting a dark halo model that is tilted with respect to the disk, the authors reproduce the warp and flare of the disk in the observed direction and magnitude.

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