Abstract

The cometary Rosetta mission visited the nucleus of Comet 67P/Churyumov-Gerasimenko by placing the Philae Lander on its surface. Philae was equipped with a time-of-flight mass spectrometer that analyzed, for the first time, cometary surface material in situ. Uwe J. Meierhenrich and co-workers describe in their Research Article (DOI: 10.1002/anie.202201925) the characterization of this mass spectrum through non-negative least square fitting and Monte Carlo analysis revealing the chemical composition of cometary ices.

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