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There have been 46 space missions to the planet Venus (including gravity-assist flybys). Missions to Venus constitute part of the exploration of Venus. The Soviet Union, followed by the United States, have soft landed probes on the surface. Venera 7 was the first lander overall and first for the Soviet Union, touching down on 15 December 1970. Pioneer Venus 2 contained the first spacecraft to land from the United States, the Day Probe. It soft landed on 9 December 1978.[1][2][3][4][5][6] The most recent lander was part of the Vega 2 mission, which soft landed on 15 June 1985.
The so-called Day Probe transmitted data from the surface for 67 minutes, 37 seconds, before succumbing to the high temperatures, pressures and power depletion.
:3
was invoked but never defined (see the help page).Amazingly, two of the probes survived touchdown and continued to return data from the surface – Night Probe for just 2 seconds (it likely tipped over after landing) and Day Probe for 68 minutes.