Amino acid precursors in lunar fines: limits to the contribution of jet exhaust

Details Amino acid precursors in lunar fines: limits to the contribution of jet exhaust Amino acid precursors in lunar fines: limits to the contribution of jet exhaust

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976gecoa..40.1069f&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 40, Issue 9, pp.1069-1071

Mathematics

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Scientific paper

A sample of lunar fines collected at a maximum distance, 6.5 km, from the descent engine on Apollo 17 has been analyzed for total amino acids obtainable by hydrolysis of aqueous extracts. The minimum amounts of amino acids, calculated for a disc of 6 km radius are 10 4 -10 5 times those which could be contributed by the lunar module jet exhaust, on the basis of conservatively limiting assumptions. The amino acids thus obtained are not explainable as due to chemical or biological contamination; their source is accordingly inferred as lunar. Under the conditions of hydrolysis of lunar extracts, cyanide is found to be converted, almost exclusively to glycine, to an extent of 10 -4 .

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