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Gas changes during 29 July outburst from comet 67P/C-G

Gas changes during 29 July outburst from comet 67P/C-G


Date: 11 August 2015
Satellite: Rosetta
Copyright: See below

During an outburst of gas and dust from Comet 67P/Churyumov-Gerasimenko on 29 July 2015, Rosetta's ROSINA instrument detected a change in the composition of gases compared with previous days.

The graph shows the relative abundances of various gases after the outburst, compared with the measurements two days earlier.

For example, the amount of carbon dioxide (CO2) increased by a factor of two, methane (CH4) by four, and hydrogen sulphide (H2S) by seven, while the amount of water (indicated by the horizontal black line) stayed almost constant.

For more information see here.

Credit: ESA/Rosetta/ROSINA/UBern/BIRA/LATMOS/LMM/IRAP/MPS/SwRI/TUB/UMich

Last Update: 1 September 2019
10-Jul-2020 01:05 UT

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