Pioneer 10 left the solar system on 13th June 1983. It was the first man-made object to do so. The spacecraft passed the orbit of Neptune which was the farthest planet from the sun at that time.
Pioneer 10 left the solar system on 13th June 1983. It was the first man-made object to do so. The spacecraft passed the orbit of Neptune which was the farthest planet from the sun at that time.