Experiments on cometary activity: ejection of dust aggregates from a sublimating water-ice surface

@article{Bischoff2019ExperimentsOC,
  title={Experiments on cometary activity: ejection of dust aggregates from a sublimating water-ice surface},
  author={D. Bischoff and B. Gundlach and M. Neuhaus and J. Blum},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2019},
  volume={483},
  pages={1202-1210}
}
The gas-driven dust activity of comets is still an unresolved question in cometary science. In the past, it was believed that comets are dirty snowballs and that the dust is ejected when the ice retreats. However, thanks to the various space missions to comets, it has become evident that comets have a much higher dust-to-ice ratio than previously thought and that most of the dust mass is ejected in large particles. Here we report on new comet-simulation experiments dedicated to the study of the… Expand

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