Pioneer 10 Makes the First Jupiter Flyby
Pioneer 10 flew closest to Jupiter on December 3, 1973, in United States time zones; it was already December 4 in Universal Time.
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The Event
Pioneer 10 flew closest to Jupiter on December 3, 1973, in United States time zones; it was already December 4 in Universal Time. It was the first spacecraft to visit Jupiter.
The Wider Story
The probe investigated Jupiter's radiation environment and returned close-range observations. Its instruments faced conditions that earlier distant astronomy could not directly measure.
Putting the Event in Perspective
The mission flew past Jupiter rather than entering orbit.
Reading the Historical Record
Later Galileo and Juno operations must not be inserted into this first encounter.
About the Historical Recreation
The accompanying visual is an illustrative reconstruction: an illustrative Pioneer 10 spacecraft passing Jupiter, no orbit insertion or modern probe hardware. It is not authentic archival footage, an eyewitness record or additional evidence for the event.
Sources
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