The proto-galaxy of Milky Way-mass haloes in the FIRE simulations. - Horta, Danny; Cunningham, Emily C; Sanderson, Robyn; Johnston, Kathryn V; Deason, Alis; Wetzel, Andrew; McCluskey, Fiona; Garavito-Camargo, Nicolás; Necib, Lina; Faucher-Giguère, Claude-André; Arora, Arpit; Gandhi, Pratik J (Monthly Notices of the Royal Astronomical Society, 2024)