Astronomy October 2017

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Description
Forty years ago, Voyagers 1 and 2 made their "Grand Tour" of the solar system, changing our view of the universe forever. Find out more in the October issue.
  • Unveiling a giant: The spacecraft revealed Jupiter’s storms and moons with erupting volcanoes and underground oceans.
  • Close encounters with the ringed planet: The probes returned stunning images of Saturn and its rings.
  • The Grand Tour: The spacecraft took long journeys to explore the outer solar system.
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