Voyager series

The Voyager series of space probes were unmanned spacecraft created by the American space agency NASA in the later half of the 20th century.
Designed as planetary surveyors, these probes recorded their findings which were later transmitted to NASA. In the event of a probe's malfunction, an operator could access the probe's memory banks by the use of an unique numerical code. 
===Voyager 1 and 2===
Voyager 1 and Voyager 2 passed through the Jovian system and took images of the moon Europa in 1979. ()
===Voyager 6===
Voyager 6 was the sixth of the Voyager series. It was believed to have traveled through a black hole and became the source of the machine planet's V'ger cloud. ()
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fr:Programme Voyager
Voyager 0