WebSep 26, 2012 · Pioneer 11 launched April 5, 1973, on an Atlas-Centaur rocket and cruised easily out of Earth orbit towards Jupiter. The …
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WebApr 5, 2013 · Pioneer 11's most important milestone - the first encounter with Saturn - occurred eight months after its projected lifespan, while it became the fourth (Voyagers 1 and 2 had, by this time, overtaken it) …
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