Faint satellite galaxies of the Milky Way are being discovered that are dimmer than some of the Milky Way's star clusters. This finding poses a fundamental question: what are galaxies?
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References
Shapley, H. in Galaxies 141 (Blakiston, Philadelphia, 1943).
Belokurov, V. et al. Astrophys. J. in the press; preprint available at www.arxiv.org/astro-ph/0608448 (2006).
Einasto, J., Saar, E., Kaasik, A. & Chernin, A. D. Nature 252, 111–113 (1974).
Klypin, A., Kravtsov, A. V., Valenzuela, O. & Prada, F. Astrophys. J. 522, 82–92 (1999).
Moore, B. et al. Astrophys. J. 524, L19–L22 (1999).
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van den Bergh, S. A troupe of near dwarfs. Nature 444, 158–159 (2006). https://doi.org/10.1038/444157a
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DOI: https://doi.org/10.1038/444157a