The nature and origin of martian surface materials cannot be fully characterized without addressing the unusual reactivity of the soil and the effects of exposure to the unique martian environment. Our laboratory experiments show that ultraviolet radiation at the martian surface can result in the oxidation of metal atoms and the creation of reactive oxygen species on grain surfaces. This process is important in understanding the nature and evolution of martian soils. It can explain the reactivity discovered by the Viking Landers and possibly the origin of the ferric component of the soil.


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    Title :

    Ultraviolet Radiation-induced Alteration of Martian Surface Materials


    Contributors:
    Yen, A. S. (author)


    Publication date :

    1999-07-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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