Possible Surface Reactions on Mars: Implications for Viking Biology Results

Details Possible Surface Reactions on Mars: Implications for Viking Biology Results Possible Surface Reactions on Mars: Implications for Viking Biology Results

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sci...197..455p&link_type=abstract

Science, Volume 197, Issue 4302, pp. 455-457

Biology

15

Scientific paper

The results of two of the three biology experiments carried out on the Viking Mars landers have been simulated. The mixture of organic compounds labeled with carbon-14 used on Mars released carbon dioxide containing carbon-14 when reacted with a simulated martian surface and atmosphere exposed to ultraviolet light (labeled release experiment). Oxygen was released when metal peroxides or superoxides were treated with water (gas exchange experiment). The simulations suggest that the results of these two Viking experiments can be explained on the basis of reactions of the martian surface and atmosphere.

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