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Only one space mission has ever flown by Neptune, the Voyager 2. Launched in 1973, actually sixteen days before the Voyager 1, the probe passed by Jupiter, Saturn, and Uranus, finally reaching Neptune twelve years after its launch. Despite a problem with its radio system, Voyager 2was a very successful launch. All of its experiments acquired useful and interesting information; no equipment malfunctioned. Some of the most important Neptunian discoveries of Voyager 2 are:

  • Neptune's highly inclined magnetosphere
  • Six satellites (moons)
  • Auroral zones
  • Two new rings circling the planet
  • Storms were discovered, particularly the Great Dark Spot
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13y ago

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