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Published online 1 April 2009 | Nature | doi:10.1038/news.2009.225
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Early galaxies surprise with size
Astronomers revise galaxy-formation models with the discovery that early galaxies could have grown fat — fast.
Slurping up cold streams of star fuel, some of the Universe's first galaxies got fat quickly, new observations suggest. The findings could overturn existing models for the formation and evolution of galaxies that predict their slow and steady growth through mergers.
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