Model of the fine-grain component of Martian soil based on Viking lander data

Details Model of the fine-grain component of Martian soil based on Viking lander data Model of the fine-grain component of Martian soil based on Viking lander data

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.274..859n&link_type=abstract

Nature, vol. 274, Aug. 31, 1978, p. 859-861.

Computer Science

6

Gas Evolution, Granular Materials, Mars Surface, Microporosity, Soils, Viking Lander Spacecraft, Carbon Dioxide, Data Acquisition, Outgassing, Oxygen, Reaction Kinetics, Space Exploration, Water Vapor

Scientific paper

A model of the fine-grain component of the Martian soil is proposed in order to explain the mechanism of the evolution of the gases revealed in the GEX and GCMS experiments of the Viking landers. It is proposed that the Mars fines is a substance in which each grain is permeated with micropores of radius between several units and several tens of angstroms and of length about 1,000 A. They may arise from a transfer of dissolved gas molecules from the grain bulk into lattice defects.

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