Dynamics of large scale impacts on Venus and Earth

Details Dynamics of large scale impacts on Venus and Earth Dynamics of large scale impacts on Venus and Earth

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24.1101o&link_type=abstract

In Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 3: N-Z p 1101-1102 (SEE N94-20636 05-91

Computer Science

Atmospheric Effects, Bolides, Earth (Planet), Geodynamics, Impact Damage, Meteoritic Damage, Planetary Atmospheres, Planetary Evolution, Planetary Geology, Planetary Surfaces, Venus (Planet), Computerized Simulation, Energy Transfer

Scientific paper

Large scale impacts are a key aspect of the accretion and growth of the planets, the evolution of their atmospheres, and the viability of their life forms. We have performed an extensive series of numerical calculations that examined the mechanics of impacts over a broad range of conditions and are now extending these to account for the effects of the planetary atmosphere. We have examined the effects of large scale impacts in which the trapping and compression of an atmosphere during impact is a significant factor in the transfer of energy to the atmosphere. The various energy transfer regimes and where conventional drag and trapping and subsequent compression of atmosphere between the bolide and planetary surface are significant are shown.

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