Cold traps of hypervolatiles in the protosolar nebula at the origin of comet C/2016 R2 (PanSTARRS)'s peculiar composition
@inproceedings{Mousis2021ColdTO, title={Cold traps of hypervolatiles in the protosolar nebula at the origin of comet C/2016 R2 (PanSTARRS)'s peculiar composition}, author={Olivier Mousis and Artyom Aguichine and Alexis Bouquet and Jonathan I. Lunine and Gr{\'e}goire Danger and Kathleen E. Mandt and Adrienn Luspay-Kuti}, year={2021} }
Recent observations of the long period comet C/2016 R2 (PanSTARRS) indicate an unusually high N2/CO abundance ratio, typically larger than ∼0.05, and at least 2–3 times higher than the one measured in 67P/Churyumov-Gerasimenko. Another striking compositional feature of this comet is its heavy depletion in H2O (H2O/CO ∼0.32%), compared to other comets. Here, we investigate the formation circumstances of a generic comet whose composition reproduces these two key features. We first envisage the…
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The Origin and Evolution of Saturn: A Post-Cassini Perspective
- Physics, Geology
- 2022
The Saturn system has been investigated extensively since the early 1970s, with the bulk of these data generated by the Cassini-Huygens Mission between 2004 and 2017. A major thrust of those…
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