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2013•Bulletin of the Russian Academy of Sciences PhysicsRequires access

Influence of cosmic rays on biomarkers on the mars

A. K. Pavlov, A. A. Pavlov, V. M. Ostryakov, A. A. Pavlov, A. A. Pavlov, G. Vasilyev, M. A. Vdovina

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Abstract

Detection of the organic substance on the Mars is one of the main targets of the current and future Martian landing missions. In this study, we calculated the ionization of the Martian soil by solar and Galactic cosmic rays at its various depths. It is shown that complex organic molecules (biomarkers) with a mass more than 300 a.m.u. at a depth of ≤10 cm degrade for a time less than one milliard years.

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What this paper is about

Detection of the organic substance on the Mars is one of the main targets of the current and future Martian landing missions. In this study, we calculated the ionization of the Martian soil by solar and Galactic cosmic rays at its various depths. It is shown that complex organic molecules (biomarkers) with a mass more than 300 a.m.u. at a depth of ≤10 cm degrade for a time less than one milliard years.

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Available abstract

Detection of the organic substance on the Mars is one of the main targets of the current and future Martian landing missions. In this study, we calculated the ionization of the Martian soil by solar and Galactic cosmic rays at its various depths. It is shown that complex organic molecules (biomarkers) with a mass more than 300 a.m.u. at a depth of ≤10 cm degrade for a time less than one milliard years.

Key concepts: Mars Exploration Program, Martian, Cosmic ray, Astrobiology, COSMIC cancer database, Ionization, Physics, Atmosphere of Mars

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