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Pioneer 10 was a NASA spacecraft launched in March 1972 that traveled farther into space than any human-made object before it. It matters because it was the first probe to venture beyond Jupiter and into the outer reaches of our solar system, helping scientists understand the planets and the space environment beyond them.
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Pioneer program
Pioneer 10 (originally designated Pioneer F) is a NASA space probe launched in 1972 that completed the first mission to the planet Jupiter. Pioneer 10 became the first of five artificial objects to achieve the escape velocity needed to leave the Solar System. This space exploration project was conducted by the NASA Ames Research Center in California. The space probe was manufactured by TRW Inc.