Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992msat.work..162v&link_type=abstract
In Lunar and Planetary Inst., Workshop on the Martian Surface and Atmosphere Through Time p 162-163 (SEE N92-28988 19-91)
Astronomy and Astrophysics
Astronomy
Atmospheric Models, Climate, Climate Change, Climatology, Craters, Mars (Planet), Mars Atmosphere, Mars Environment, Mars Surface, Meteorites, Planetary Geology, Astronomy, Atmospheric Pressure, Moments Of Inertia, Moon
Scientific paper
On Mars, we do not expect to see the full spectrum of crater sizes that we see on the Moon, because the Martian atmosphere decelerates smaller incoming meteorites. Mars climate models predict thirty-fold variations in Mars' atmospheric pressure due to large amplitude quasi-periodic variations in Mars' obliquity. More recent studies have shown that uncertainties in Mars' moment of inertia may have resulted in an underestimation of this range. In this study, we find that potential variations in the mass of the Martian atmosphere should have dramatic effects on the production rates of centimeter sized craters on the surface of Mars, and suggest that observations of the densities of Martian microcraters would provide an important validation of the astronomical theory for Martian climate change.
Milavec T. J.
Paige David A.
Vasavada Ashwin R.
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