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Geophysical and atmospheric evolution of habitable planets

Helmut Lammer 1 Franck Selsis 2, 3, 4, 5 Eric Chassefière 6, 7 Doris Breuer 8 Jean-Mathias Grießmeier 9 Yuri N. Kulikov 10 Nikolai V. Erkaev 11 Maxim L. Khodachenko 1 Helfried K. Biernat 1 François Leblanc 6 Esa Kallio 12 Richard Lundin 13 Frances Westall 14 Siegfried Bauer 15 Charles Beichman 16 William Danchi 17 Carlos Eiroa 18 Malcolm Fridlund 19 Hannes Gröller 1 Arnold Hanslmeier 15 Walter Hausleitner 1 Thomas Henning 20 Tom Herbst 20 Lisa Kaltenegger 21 Alain Léger 22 Martin Leitzinger 15 Herbert I. M. Lichtenegger 1 René Liseau 23 Jonathan Lunine 24 Uwe Motschmann 25, 8 Petra Odert 15 Francesco Paresce 26 John Parnell 27 Alan Penny 28 Andreas Quirrenbach 29 Heike Rauer 8 Huub Röttgering 30 Jean Schneider 31 Tilman Spohn 8 Anja Stadelmann 25 Günter Stangl 1 Daphne Stam 32 Giovanna Tinetti 33 Glenn J. White 28, 34
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : The evolution of Earth-like habitable planets is a complex process that depends on the geodynamical and geophysical environments. In particular, it is necessary that plate tectonics remain active over billions of years. These geophysically active environments are strongly coupled to a planet's host star parameters, such as mass, luminosity and activity, orbit location of the habitable zone, and the planet's initial water inventory. Depending on the host star's radiation and particle flux evolution, the composition in the thermosphere, and the availability of an active magnetic dynamo, the atmospheres of Earth-like planets within their habitable zones are differently affected due to thermal and nonthermal escape processes. For some planets, strong atmospheric escape could even effect the stability of the atmosphere
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Submitted on : Tuesday, May 21, 2019 - 6:43:48 PM
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Helmut Lammer, Franck Selsis, Eric Chassefière, Doris Breuer, Jean-Mathias Grießmeier, et al.. Geophysical and atmospheric evolution of habitable planets. Astrobiology, Mary Ann Liebert, 2010, 10 (1), pp.45-68. ⟨10.1089/ast.2009.0368⟩. ⟨hal-00470583⟩



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