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Cosmic Matters: Obese galaxies aren’t dieting

Cosmic Matters: Obese galaxies aren’t dieting

Posted on 11:37 pm, Monday, December 27, 2010. Tags: , ,

(Cosmic Matters columns are prepared by scientists and staff at W.M. Keck Observatory. This piece was written by Kevin Bundy.) Humans are not alone in their struggle against an increasing waistline. Astronomers believe galaxies too put on weight throughout their lives, growing not only by consuming hydrogen gas — which is then converted to stars […]

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