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Expanding the envelope


The first detection of emission from carbon monoxide molecules in a circumstellar envelope delivered a tool for estimating numerous physical characteristics of evolved stars, not least the amount of gas and dust they return to the interstellar medium of a galaxy.

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Correspondence to Hans Olofsson.

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Olofsson, H. Expanding the envelope. Nat Astron 3, 478–479 (2019).

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