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ESA's Gaia spots an unusual 'ghost' galaxy lurking at the edge of the Milky Way- Technology News, Firstpost
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Astrometry and Astrophysics in the Gaia Sky (IAU S330) (Proceedings of the International Astronomical Union Symposia and Colloquia): Recio-Blanco, Alejandra, de Laverny, Patrick, Brown, Anthony G. A., Prusti, Timo: 9781107170087: Amazon.com: Books
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