Mathematics – Logic
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987plr.....7f..12h&link_type=abstract
Planetary Report (ISSN 0736-3680), vol. 7, Nov.-Dec. 1987, p. 12-14.
Mathematics
Logic
2
Mars (Planet), Planetary Evolution, Biological Evolution, Chemical Evolution, Space Exploration, Viking Spacecraft, Mars, Living Organisms, Popular, History, Viking Missions, Features, Physical Properties, Earth-Based Observations, Spacecraft Observations, Environment, Atmosphere, Pressure, Mariner Missions, Water, Volatiles, Surface, Landers, Organic Material, Experiments, Oh Radical, Soil, Life, Exobiology, Microorganisms, Sampling
Scientific paper
The shattering of the Lowellian picture of Mars by the Mount Wilson observation and Mariners 4, 6, and 7 is discussed. The Viking mission, instrumented to continue the search for life on Mars, did not detect even a trace of organic matter at the ppb-level of detectability. However, the experiments did indicate the presence of OH radicals (or peroxides derived from them) in the Martian soil. On Mars, OH would diffuse into the dry soil and there act as a strong oxidizing agent.
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