Pioneer Venus project
Two spacecraft send to Venus in 1978 / From Wikipedia, the free encyclopedia
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The Pioneer Venus project was part of the Pioneer program consisting of two spacecraft, the Pioneer Venus Orbiter and the Pioneer Venus Multiprobe, launched to Venus in 1978.[1] The program was managed by NASA's Ames Research Center.
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The Pioneer Venus Orbiter entered orbit around Venus on December 4, 1978, and performed observations to characterize the atmosphere and surface of Venus.[2] It continued to transmit data until October 1992.[1][3]
The Pioneer Venus Multiprobe deployed four small probes into the Venusian atmosphere on December 9, 1978.[1][3] All four probes transmitted data throughout their descent to the surface.[4] One probe survived the landing and transmitted data from the surface for over an hour.