
Accession Number : AD0266808
Title : DENSITY OF A NEUTRAL EXOSPHERE DERIVED FROM THE BOLTZMANN EQUATION
Corporate Author : MARYLAND UNIV COLLEGE PARK
Personal Author(s) : FIBICH,M. ; SINGER,F.
Report Date : OCT 1961
Pagination or Media Count : 1
Abstract : It is shown that the density of a planetary exosphere can be derived from the Boltzmann equation, provided the equation is modified to take into account the escape component. The solution is obtained through a perturbation method; the zeroth order solution is the barometric formula, which applies when escape is negligible. The solution gives only the total density (ballistic plus bound orbits). (Author)
Descriptors : *DENSITY, *PLANETS, BOUNDARY LAYER, ENERGY, EQUATIONS, INTEGRAL TRANSFORMS, KINETIC THEORY, MOTION, PARTICLES, PERTURBATION THEORY, VELOCITY
Distribution Statement : APPROVED FOR PUBLIC RELEASE