News FocusAstronomy

Where Are the Invisible Galaxies?

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Science  03 Aug 2007:
Vol. 317, Issue 5838, pp. 594-595
DOI: 10.1126/science.317.5838.594

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CARDIFF, UNITED KINGDOM-- Cosmology predicts an abundance of small galaxies made entirely of dark matter, but astronomers haven't found any yet.