Pioneer 10 Pioneer 10 Pioneer 10 (originally designated Pioneer F) is an American space probe, launched in 1972 and weighing , that completed the first mission to the planet Jupiter. Thereafter, "Pioneer 10" became the first of five artificial objects to achieve the escape velocity that will allow them to leave the Solar System. This space exploration project was conducted by the NASA Ames Research Center in California, and the space probe was manufactured by TRW Inc. "Pioneer 10" was assembled around a hexagonal bus with a diameter parabolic dish high-gain antenna, and the spacecraft was spin stabilized around the axis of
Helena Russell stated his given name was 'Telford'.) In 1994, Helena was widowed when Lee Russell departed on the Astro Seven mission to Jupiter and never returned. All hands of the mission were declared dead. The couple never had children. After her husband's death, she was employed on Earth by the World Space Commission. In 1997, she was part of a team evaluating the mental state of Captain Tony Cellini. Cellini, the sole survivor of the Ultra Probe mission, returned to Earth speaking of his ordeal with a deadly space 'dragon' lifeform in a spaceship graveyard on the far side of planet