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Running on fumes

Recent observations show that some galaxies exist that have already run out of fuel only a few billion years after the Big Bang, challenging the current view on how galaxies form and evolve in a cold dark-matter-dominated Universe.

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Fig. 1: Cartoon of galaxy build-up via conversion of gas into stars.


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Correspondence to Claudia Maraston.

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Maraston, C. Running on fumes. Nat Astron 5, 980–981 (2021).

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