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On This Day: June 13, 1983 - Pioneer 10 Becomes the First Man Made Object to Leave the Central Solar System.
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On This Day: June 13, 1983 - Pioneer 10 Becomes the First Man Made Object to Leave the Central Solar System.
On this day June 13, 1983, the space probe Pioneer 10 passed the orbit of Neptune, making it the first man made object to leave the central region of the solar system. Launched by NASA in 1972, Pioneer 10 was originally built to study Jupiter, but it went far beyond expectations by continuing its journey deep into space after completing its primary mission.
After sending back the first close up images of Jupiter in 1973, Pioneer 10 continued transmitting data as it traveled farther away...
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