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Dense interstellar clouds and ionization of the atmosphere and soil of mars |
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| Authors: | A K Pavlov V M Ostryakov G I Vasilyev |
| Institution: | (1) Department of Earth and Planetary Sciences, Birkbeck College, University of London, Malet Street, London, WC1E 7HX, UK;(2) Centre for Planetary Sciences at UCL/Birkbeck, University College London, Gower Street, London, WC1E 6BT, UK;(3) Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, HI 96822, USA;(4) The Center for Lunar Science and Exploration, Lunar and Planetary Institute, Houston, TX 77058, USA;(5) The NASA Lunar Science Institute, Houston, TX, USA |
| Abstract: | Using the standard GEANT4 code, we calculated the ionization rate of the Mars atmosphere and the dose absorbed by the planet’s soil caused by the galactic cosmic rays and the anomalous cosmic ray component in the heliosphere. Cases of the solar system passing through dense molecular clouds leading to an increase of the energetic particle flux at the orbit of Mars and cases of thickness variation of the atmosphere itself are considered. |
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