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Loss and fractionation of noble gas isotopes and moderately volatile elements from planetary embryos and early Venus, Earth and Mars
H. Lammer, M. Scherf, H. Kurokawa +12
Here we discuss the current state of knowledge on how atmospheric escape processes can fractionate noble gas isotopes and moderately volatile rock-forming elements that populate pr…
Is the faint young Sun problem for Earth solved?
Benjamin Charnay, Eric T. Wolf, Bernard Marty +1
Stellar evolution models predict that the solar luminosity was lower in the past, typically 20-25 % lower during the Archean (3.8-2.5 Ga). Despite the fainter Sun, there is strong…
Perspectives on atmospheric evolution from noble gas and nitrogen isotopes on Earth, Mars & Venus
Guillaume Avice, Bernard Marty
The composition of an atmosphere has integrated the geological history of the entire planetary body. However, the long-term evolutions of the atmospheres of the terrestrial planets…
Chemistry under EUV Irradiation of H-CO-N Gas Mixtures: Implications for Photochemistry in the Outer CSE of Evolved Stars
Jérémy Bourgalais, David V. Bekaert, Aurore Bacmann +2
{CircumStellar Envelopes (CSEs) of stars are complex chemical objects for which theoretical models encounter difficulties in elaborating a comprehensive overview of the occurring c…