NASA Insignia
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Pioneer Venus Oribter

An artist's conception of the Pioneer Venus Orbiter

An artist's impression of the Pioneer Venus Oribter. (Credit: NASA)

Lifetime: May 1978 - October 1992

Country (primary): United States

Primary Science

The Pioneer Venus Oribiter, or PVO for short, was a spacecraft sent to Venus to study the solar wind in the region around Venus, to map Venus' surface through a radar imaging system, and study Venus' upper atmosphere and ionosphere.

High Energy Science

The Pioneer Venus Orbiter's payload included a gamma-ray burst detctor.

Science Highlights

  • Detected several hundred gamma-ray bursts
  • Distribution of the observed gamma-ray bursts was consistent with a uniform distribution in space

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