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A high stellar velocity dispersion for a compact massive galaxy at z=2.2

NATURE, no. 7256 (2009): 717-719

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Recent studies have found that the oldest and most luminous galaxies in the early Universe are surprisingly compact(1-7), having stellar masses similar to present-day elliptical galaxies but much smaller sizes. This finding has attracted considerable attention(8-13), as it suggests that massive galaxies have grown in size by a factor of a...更多

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