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Meet our closest neighbour

The discovery of a possible extrasolar planet that has the same mass as Earth and orbits α Centauri B, a member of the closest star system to the Sun, is both a technical achievement and cause for excitement. See Article p.207

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Correspondence to Artie P. Hatzes.

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Hatzes, A. Meet our closest neighbour. Nature 491, 200–201 (2012).

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