Mathematics – Logic
Scientific paper
Mar 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989efmm.nasa...62w&link_type=abstract
In its Exobiology and Future Mars Missions p 62 (SEE N89-26334 20-51)
Mathematics
Logic
Antarctic Regions, Biological Evolution, Earth (Planet), Environment Effects, Exobiology, Lakes, Valleys, Carbon, Extraterrestrial Life, Gases, Ice, Mars (Planet), Sediments
Scientific paper
The similarity of the early environments of Mars and Earth, and the biological evolution which occurred on early Earth, motivates exobiologists to seriously consider the possiblity of an early Martian biota. Environments are being identified which could contain Martian life and areas which may presently contain evidence of this former life. Sediments which were thought to be deposited in large ice-covered lakes are present on Mars. Such localities were identified within some of the canyons of the Valles Marineris and more recently in the ancient terrain in the Southern Hemisphere. Perennially ice-covered Antarctic lakes are being studied in order to develop quantitative models that relate environmental factors to the nature of the biological community and sediment forming processes. These models will be applied to the Martian paleolakes to establish the scientific rationale for the exobiological study of ancient Martian sediments.
Clow Gary D.
Mancinelli Rocco L.
McKay Christopher P.
Simmons M. Jr. G.
Wharton Robert A. Jr.
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