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Rosetta at Comet 67P/Churyumov-Gerasimenko

Thursday, May 28, 2015
Bjorn
Davidsson (Uppsala University)

Half-way through its nominal mission, the ESA spacecraft Rosetta at Comet 67P/Churyumov-Gerasimenko is already an unprecedented success. All the scientific instruments on Rosetta and Philae have delivered invaluable data for comet scientists to analyse for decades to come. In this talk I will focus on the research I have been directly involved in, including the estimation of nucleus mass and bulk density, evaluation of the role of sublimation-driven erosion for creating the spectacular shape of the nucleus, the attempts to understand the temporal variability in water outgassing, and the determination of sizes and orbits of large chunks of material criss-crossing the inner coma. All this will be placed in an overall context of mission discoveries, primarily based on images from the OSIRIS cameras.

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