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Showing 1–5 of 5 results
Advanced filters: Author: Dougal Mackey Clear advanced filters

  • In hierarchical cosmological models, galaxies grow in mass through the continual accretion of smaller ones. The tidal disruption of these systems is expected to result in loosely bound and distant stars surrounding the galaxy. A panoramic survey of the Andromeda galaxy (M31) now reveals stars and coherent structures that are almost certainly remnants of dwarf galaxies destroyed by the tidal field of M31.

    • Alan W. McConnachie
    • Michael J. Irwin
    • Kimberly A. Venn
    Research
    Nature
    Volume: 461, P: 66-69

  • The Phoenix stream in the Milky Way halo is shown to be a tidally disrupted remnant of an unusually metal-poor globular cluster, which was possibly destroyed during Galactic evolution.

    • Zhen Wan
    • Geraint F. Lewis
    • Gayandhi M. De Silva
    Research
    Nature
    Volume: 583, P: 768-770