Soft Landing of Venera 7 on the Venus Surface and Preliminary Results of Investigations of the Venus Atmosphere

V. S. Avduevsky U.S.S.R. Academy of Sciences, Moscow

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M. Ya Marov U.S.S.R. Academy of Sciences, Moscow

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M. K. Rozhdestvensky U.S.S.R. Academy of Sciences, Moscow

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N. F. Borodin U.S.S.R. Academy of Sciences, Moscow

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V. V. Kerzhanovich U.S.S.R. Academy of Sciences, Moscow

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Abstract

A soft landing on the planet Venus was successfully accomplished by the automatic interplanetary station Venera 7. The temperature of the Venus atmosphere was measured during the descent and at the surface after landing. The variation of temperature and pressure with altitude on Venus was determined down to the surface by combining the temperature measurements with descent velocity derived from the Doppler shift data during the descent, and by considering the data collected previously during the flights of Veneras 4, 5 and 6.

Abstract

A soft landing on the planet Venus was successfully accomplished by the automatic interplanetary station Venera 7. The temperature of the Venus atmosphere was measured during the descent and at the surface after landing. The variation of temperature and pressure with altitude on Venus was determined down to the surface by combining the temperature measurements with descent velocity derived from the Doppler shift data during the descent, and by considering the data collected previously during the flights of Veneras 4, 5 and 6.

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