Photochemistry of the Venusian Atmosphere
Neutral atmospheric composition determines unambiguously the lower ionospheric composition in daytime with a minor influence of solar wind and magnetic field in this ionospheric region. Although strictly speaking, inverse assertion is not correct, because different models of neutral atmosphere giving a similar ionospheric composition can be proposed, this approach is usually used in practice. Comparison with results of measurement calculations of ionospheric composition with known neutral composition makes it possible to check our knowledge of processes forming the ionosphere and the reliability of the experimental data. On the other hand, the investigation of some ionized components gives clues for the study of some neutral components which are not easily accessible by direct measurements.
KeywordsEntropy Dioxide Helium Uranium Sedimentation
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