Pioneer 10 is a NASA space probe launched in 1972 that completed the first mission to the planet Jupiter. It was the first spacecraft to traverse the asteroid belt and the first of five artificial obj
Artist's conception of Pioneer 10 on its way to interstellar space
Pioneer 10 in the final stages of construction (December 1971)
Pioneer 10 tested in a space simulation chamber (January 1972)
Pioneer 10 on a Star-37E kick motor just prior to being encapsulated for launch (February 1972)
Voyager 2 is a space probe launched by NASA on August 20, 1977, as a part of the Voyager program. It was launched on a trajectory towards the gas giants and enabled further encounters with the ice gia
Pioneer 10
…thermoelectric generators had likely fallen below the level required to power the transmitter, and no further contact attempts were made. On July 18, 2023, Voyager 2 overtook Pioneer 10, making Pioneer 10 the third-most-distant spacecraft from the Sun, after Voyager 1 and Voyager 2. As of July 2026, Pioneer 10 is…
Voyager in transport to a solar thermal test chamber.
Voyager 2 awaiting payload entry into a Titan IIIE/Centaur rocket.
Voyager 2 launch on August 20, 1977, with a Titan IIIE/Centaur
The Great Red Spot photographed during the Voyager 2 flyby of Jupiter