The ejection of meteoroids from the surfaces of the moon and Mars

Details The ejection of meteoroids from the surfaces of the moon and Mars The ejection of meteoroids from the surfaces of the moon and Mars

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989avest..23..145l&link_type=abstract

Astronomicheskii Vestnik (ISSN 0320-930X), vol. 23, Apr.-June 1989, p. 145-149. In Russian.

Mathematics

Probability

Ejection, Lunar Surface, Mars Surface, Meteoroids, Seismic Energy, Seismic Waves, Acoustic Velocity, Hypervelocity Impact, Metamorphism (Geology), Shock Waves

Scientific paper

It is shown that the probability of impact meteoroid ejection from the lunar and Martian surface increases if the increment of acoustic velocity with depth is taken into account. Two explanations are provided for this phenomenon. The first is that seismic rays are curved and the flux of seismic energy is largely concentrated in the near-surface zone near the impact. Secondly, the seismic wave arising upon transition into layers with a lower acoustic velocity is transformed into a shock wave.

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