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Paper: The Nature of the Ring-Like Structure in the Outer Galactic Disk
Volume: 327, Satellites and Tidal Streams
Page: 87
Authors: Helmi, A.; Navarro, J.F.; Meza, A.; Steinmetz, M.; Eke, V.R.
Abstract: The tidal disruption of a satellite galaxy can leave behind substructures, such as tidal tails, streams, or shells. Satellites moving on orbits roughly coplanar with the Galactic disk, will deposit most of its debris in this component. We show here that this process leads naturally to the formation of ring-like stellar structures similar to that recently discovered in the outer disk of the Milky Way.
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