Pioneer 5
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Pioneer 5 was a spin-stabilized space probe in the NASA Pioneer program used to investigate interplanetary space between the orbits of Earth and Venus. It was launched on 11 March 1960 from Cape Canav
Pioneer 5 mounted to its Thor-Able launcher.
Placement of Pioneer 5 instruments
Pioneer 5 with test equipment.
Pioneer P-31
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Pioneer P-31 was intended to be a lunar orbiter probe, but the mission failed shortly after launch. The objectives were to place a highly instrumented probe in lunar orbit, to investigate the environm
Pioneer P-31 lunar probe
Atlas-Able booster rocket launching Pioneer P-31 on December 15, 1960