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Role of planetary winds in planet evolution and population

Published online by Cambridge University Press:  16 August 2023

D. Modirrousta-Galian Open the ORCID record for D. Modirrousta-Galian [Opens in a new window]
D. Modirrousta-Galian*
Affiliation:
Yale University Department of Earth and Planetary Sciences, 210 Whitney Ave., New Haven, CT 06511, USA
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Abstract

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The role of atmospheric evaporation in shaping exoplanet populations remains a major unsolved problem in the literature. Observational evidence, like the bimodal distribution of exoplanet radii, suggests a catastrophic past in which exoplanets with masses of approximately 1–10M⊕ often lose their primordial envelopes and experience a drastic reduction in their radii. Our knowledge of the mechanisms behind atmospheric evaporation remains nebulous, with new models regularly introduced in the literature. Understanding the principles behind these models and knowing when to apply them is essential for constraining how planets evolve. This communication reviews the mechanisms behind atmospheric evaporation by exploring observations and theory, as well as introducing some of the principles in the forthcoming paper Modirrousta-Galian & Korenaga (in press).

Keywords

Mini Neptunes(1063)Super Earths(1655)Star-planet interactions(2177)Exoplanet evolution(491)Exoplanet atmospheres(487)Planetary interior(1248)
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 17 , Symposium S370: Winds of Stars and Exoplanets , August 2021 , pp. 243 - 250
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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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