Escape and evolution of Titan’s N2 atmosphere constrained by 14N/15N isotope ratios

ABSTRACT We apply a 1D upper atmosphere model to study thermal escape of nitrogen over Titan’s history. Significant thermal escape should have occurred very early for solar extreme ultraviolet (EUV) fluxes 100–400 times higher than today with escape rates as high as ≈1.5 × 1028 s−1 and ≈4.5 × 1029 s...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2020-11, Vol.500 (2), p.2020-2035
Hauptverfasser:	Erkaev, N V, Scherf, M, Thaller, S E, Lammer, H, Mezentsev, A V, Ivanov, V A, Mandt, K E
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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