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Monday, March 27, 2017
Venera 8, Venus lander, launched 1972
Venera 8, the Soviet lander, was launched March 27, 1972 and made a successful landing on Venus July 22. It transmitted during its descent and continued to transmit for just over 50 minutes after landing. It confirmed the high temperatures and high pressures discovered by Venera 7 about a year and a half earlier.
Venera 8 showed that the Venusian clouds end at a high altitude and the atmosphere is mostly clear at ground level.