Atmospheric models for support of design and mission planning of space vehicles that are to orbit the planet Mars, enter its atmosphere, or land on the surface are presented. Quantitative data for the Martian atmosphere were obtained from Earth-base observations and from spacecraft that have orbited Mars or passed within several planetary radii. These data were used in conjunction with existing theories of planetary atmospheres to predict other characteristics of the Martian atmosphere. Earth-based observations provided information on the composition, temperature, and optical properties of Mars with rather coarse spatial resolution, whereas spacecraft measurements yielded data on composition, temperature, pressure, density, and atmospheric structure with moderately good spatial resolution. The models provide the temperature, pressure, and density profiles required to perform basic aerodynamic analyses. The profiles are supplemented by computed values of viscosity, specific heat, and speed of sound. (Author)


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    Title :

    Models of MARS' Atmosphere (1974)


    Publication date :

    1974


    Size :

    52 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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    NOLL, R. / MCELROY, M.B. | AIAA | 1975


    Engineering models of the Mars atmosphere

    Noll, R. B. / Mcelroy, M. B. | NTRS | 1975


    Mars - Upper atmosphere.

    Gross, S. H. / Mcgovern, W. E. / Rasool, S. I. | NTRS | 1966


    Atmosphere of Mars.

    Johnson, F. S. | NTRS | 1965