Pioneer 11 (also known as Pioneer G) is a NASA robotic space probe launched on April 5, 1973, to study the asteroid belt, the environment around Jupiter...

The Pioneer plaques are a pair of gold-anodized aluminum plaques that were placed on board the 1972 Pioneer 10 and 1973 Pioneer 11 spacecraft, featuring...

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...

Saturn, and two to explore Venus. The two outer planet probes, Pioneer 10 and Pioneer 11, became the first two of five artificial objects to achieve the...

The Pioneer anomaly, or Pioneer effect, was the observed deviation from predicted accelerations of the Pioneer 10 and Pioneer 11 spacecraft after they...

functioning and are regularly contacted by radio communication, while Pioneer 10 and Pioneer 11 are now defunct. In addition to these spacecraft, some upper stages...

had a thick atmosphere—a feature unique among the Solar System's moons. Pioneer 11 made the first flyby of Saturn in September 1979, when it passed within...

overtook Pioneer 10 as the second most distant human-made object from the Sun. Pioneer 11, launched a year after Pioneer 10, took similar data as Pioneer out...

agency NASA: Voyager 1, Voyager 2, Pioneer 10, Pioneer 11 and New Horizons. Also as of 2023, Voyager 1, Voyager 2 and Pioneer 10 are the only probes to have...

of the planet. Pioneer 11's closest approach to Saturn occurred in September 1979 at a distance of 20,900 km (13,000 mi). Pioneer 11 was responsible...