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| | Pioneer Mission |
 | | Pioneer 6 was launched on December 16, 1965; Pioneer 7 was launched on August 17, 1966; Pioneer 8 was launched on December 13, 1967; and Pioneer 9 was launched on November 8, 1986. |
 | | Pioneer 10, launched on March 2, 1972, was the first spacecraft ever to fly though the asteroid belt, and it also was the first spacecraft to obtain close-up images and make direct observations of Jupiter. |
 | | Pioneer 10 was equipped with instruments that enabled it to study Jupiter and Saturn's atmospheres, magnetic fields, moons, and rings. |
| library.advanced.org /29033/voyages/pioneer.htm (1101 words) |
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