High D/H ratios in water and alkanes in comet 67P/Churyumov-Gerasimenko measured with Rosetta/ROSINA DFMS

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Fig. 4

D/H (black) and ¹³C/¹²C (red) ratios of the first four linear alkanes compared with ¹³C/¹²C values in 67P’s CO₂ (Hässig et al. 2017, orange), in the Earth (Wilson 1999, green) and in the local ISM (Wilson 1999, blue).

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