期刊
SCIENCE
卷 301, 期 5637, 页码 1217-1219出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1089237
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The relics of disrupted satellite galaxies have been found around the Milky Way and Andromeda, but direct evidence of a satellite galaxy in the early stages of disruption has remained elusive. We have discovered a dwarf satellite galaxy in the process of being torn apart by gravitational tidal forces as it merges with a larger galaxy's dark matter halo. Our results illustrate the morphological transformation of dwarf galaxies by tidal interaction and the continued buildup of galaxy halos.
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