CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko
Björn J. R. Davidsson,
F. Peter Schloerb,
Sonia Fornasier
et al.
Abstract:Between 2014 December 31 and 2015 March 17, the OSIRIS cameras on Rosetta documented the growth of a 140 m wide and 0.5 m deep depression in the Hapi region on Comet 67P/Churyumov-Gerasimenko. This shallow pit is one of several that later formed elsewhere on the comet, all in smooth terrain that primarily is the result of airfall of coma particles. We have compiled observations of this region in Hapi by the microwave instrument MIRO on Rosetta, acquired during October and November 2014. We use thermophysical a… Show more
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