Astronomers find Antlia dwarf galaxy to be possible candidate for the observed large perturbations on the outskirts of the Milky Way, caused by a dark-matter dominated dwarf galaxy colliding with our galaxy less than 2 billion years ago.

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Astronomers find Antlia dwarf galaxy to be possible candidate for the observed large perturbations on the outskirts of the Milky Way, caused by a dark-matter dominated dwarf galaxy colliding with our galaxy less than 2 billion years ago.