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Triton and Pluto: same origin but separated at birth
Olivier Mousis, Sarah E. Anderson, Adrienn Luspay-Kuti, Kathleen E. Mandt, Pierre Vernazza
https://arxiv.org/abs/2406.03815

Triton and Pluto: same origin but separated at birth
Assessing the origin of Pluto and Triton has profound implications for the bigger picture of Solar System formation and evolution. In such a context, this chapter reviews our current knowledge of the formation conditions of Pluto and Triton's constitutive building blocks in the protosolar nebula, which can be derived from their known or estimated volatile contents. Assuming that the ultravolatiles carbon monoxide and dinitrogen detected in Pluto and Triton are primordial, the presence of these …