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Andromeda's extended disk of dwarfs

A Correction to this article was published on 16 January 2013

This article has been updated

Deep-imaging observations of the Andromeda galaxy and its surroundings have revealed a wide but thin planar structure of satellite galaxies that all orbit their host in the same rotational direction. See Letter p.62

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Correspondence to R. Brent Tully.

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Tully, R. Andromeda's extended disk of dwarfs. Nature 493, 31–32 (2013).

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