The Upper Atmosphere of Venus in Light of the Mariner 5 Measurements

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  • 1 Kitt Peak National Observatory, Tucson, Ariz.
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Abstract

Models for the Venus atmosphere and ionosphere are presented and compared with data obtained in the S-band occultation experiment on Mariner 5. Good agreement is found between model and experiment if the Venus atmosphere is composed of essentially pure CO2. An upper limit of about 10% is derived for the N2 mixing rate. It is argued that atomic oxygen is a minor constituent in the upper atmosphere of Venus.

Abstract

Models for the Venus atmosphere and ionosphere are presented and compared with data obtained in the S-band occultation experiment on Mariner 5. Good agreement is found between model and experiment if the Venus atmosphere is composed of essentially pure CO2. An upper limit of about 10% is derived for the N2 mixing rate. It is argued that atomic oxygen is a minor constituent in the upper atmosphere of Venus.

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