Young galaxies are most effective at converting gas into stars. Intense accretion of fuel is required to keep galaxies growing, but these gas streams have largely eluded observations. New instruments at optical telescopes are now uncovering clues of their existence.
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Fumagalli, M. Thirsty galaxies thriving on gas streams. Nat Astron 3, 796–797 (2019). https://doi.org/10.1038/s41550-019-0812-1
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DOI: https://doi.org/10.1038/s41550-019-0812-1
