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01/09/1979 Pioneer 11 becomes the first spacecraft to visit Saturn

Pioneer 11 is a 259-kilogram robotic space probe launched by NASA in 1973 to study the asteroid belt, the environment around Jupiter and Saturn, solar wind and cosmic rays. It was the first probe to encounter Saturn and the second to fly through the asteroid belt and by Jupiter.

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  • Essentials 

  • Mission background 

  • Mission profile 

  • Current status 

  • Pioneer anomaly 

  • Pioneer plaque