Pioneer Venus Multiprobe launched

Pioneer VenusTrailing its supporting orbiter by several months, the Pioneer Venus Multiprobe – also known as Pioneer 13 – lifts off en route to deposit its payload of four atmospheric entry probes designed to measure the planet’s inhospitable, poisonous atmosphere. Following the launch of those probes, the Multiprobe carrier vehicle will then enter the atmosphere of Venus itself and take measurements, burning up before it ever reaches the surface.

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