Impact erosion of planetary atmospheres

Details Impact erosion of planetary atmospheres Impact erosion of planetary atmospheres

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986icar...68...87w&link_type=abstract

Icarus (ISSN 0019-1035), vol. 68, Oct. 1986, p. 87-98.

Physics

33

Erosion, Impact, Planetary Atmospheres, Enthalpy, Evaporation, Gas Heating, Kinetic Energy, Shock Heating, Planets, Atmosphere, Impact Effects, Erosion, Energy, Parameters, Size, Velocity, Theoretical Studies, Gases, Escape, Ablation, Surface, Diagrams, Calculations, Heating

Scientific paper

The amount of gas imparted to the atmosphere by an interaction of an impactor with a planet is estimated. The interaction of an impactor with a planet is described. The enthalpy of the gas, the kinetic energy of mass motion, and the evaporation of the impactor are examined. The properties of the shock-heated gas are calculated and analyzed. It is observed that the mass of atmospheric gas driven off into space by an impact is proportional to the mass of atmospheric gas encountered by the impactor.

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