Meteoroid impacts as seismic sources on Mars

Details Meteoroid impacts as seismic sources on Mars Meteoroid impacts as seismic sources on Mars

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993icar..105..469d&link_type=abstract

Icarus, vol. 105, p. 469

Computer Science

25

Meteorite Craters, Mars Surface, Seismology, Heat Transfer, Ablation, Planetary Orbits, Seismographs

Scientific paper

Lunar Apollo seismic experiment results reflecting asteroid fragment impacts are presently used to estimate the seismic signals that can be expected on Mars, with allowances for impact-rate differences due to a different impactor population, and the combined effect of ablation and deceleration in the Martian atmosphere on impact energy. The entry flux at Mars is 2.6 times that at the earth. The net result for such seismic activity, which has an uncertainty factor of 3, is that the number of large impacts/year detected at a Mars seismic station comparable to Apollo's in sensitivity will be 116 events/year, compared to the moon's 76 events/year.

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