The dynamic motion of gas in the outer atmosphere of a red supergiant star has been mapped, providing clues to the mysterious mechanism that causes massive stars to lose mass through stellar winds. See Letter p.310
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Schaefer, G. A turbulent stellar atmosphere in full view. Nature 548, 288–289 (2017). https://doi.org/10.1038/548288a
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DOI: https://doi.org/10.1038/548288a
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