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Pioneer 6, 7, 8 and 9 - Wikipedia, the free encyclopedia |
 | | Pioneer 6, 7, 8 and 9 were space probes in the Pioneer program. |
 | | Pioneers 6, 7, 8, and 9 were created to make the first detailed, comprehensive measurements of the solar wind, solar magnetic field and cosmic rays. |
 | | Pioneer 6 was launched on December 16, 1965 at 07:31:00 UTC, Pioneer 7 on August 17, 1966, Pioneer 8 on December 13, 1967 at 14:08:00 UTC, Pioneer 9 on November 8, 1968 at 09:46:00 UTC, and Pioneer E on August 27, 1969 at 21:59:00 UTC. |
| en.wikipedia.org /wiki/Pioneer_7 (643 words) |
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