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Greifswald 2009 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 7: Poster Session Extraterrestrics

EP 7.10: Poster

Dienstag, 31. März 2009, 17:30–19:00, Foyer der Zahnklinik

Modeling the Martian neutral particle radiation - predictions for ExoMars/IRAS and implications for Martian habitability during the Noachian — •Bent Ehresmann1, Robert Wimmer-Schweingruber1, Soenke Burmeister1, Jan Koehler1, Shri Kulkarni1, and Guenther Reiz21Christian-Albrechts-Universitaet zu Kiel — 2Deutsches Zentrum für Luft- und Raumfahrt

The exciting results of recent Mars exploration missions indicate that water existed on the Martian surface, which provides a possibility for life on Mars. Thus, there is an enhanced interest in analyzing the conditions for habitability on Mars, especially in the Noachian epoch. An important aspect of habitability is the radiation level of charged and neutral particles in possible habitats. Using Planetocosmics, we calculate particle radiation in the Martian atmosphere and at ground level for present-day conditions. These calculations allow us to make predictions for the measurements of the Ionizing Radiation Sensor (IRAS) on ExoMars. By changing atmosphere conditions and varying the water-content of the Martian soil, we can derive radiation levels expected during the Noachian period. We will discuss the implications of these model results in terms of Noachian habitability.

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