Exploration of Jupiter Exploration of Jupiter The exploration of Jupiter has been conducted via close observations by automated spacecraft. It began with the arrival of "Pioneer 10" into the Jovian system in 1973, and, , has continued with eight further spacecraft missions. All of these missions were undertaken by the National Aeronautics and Space Administration (NASA), and all but two have been flybys that take detailed observations without the probe landing or entering orbit. These probes make Jupiter the most visited of the Solar System's outer planets as all missions to the outer Solar System have used Jupiter flybys to reduce fuel requirements
Puzzle of the Space Pyramids Puzzle of the Space Pyramids Puzzle of the Space Pyramids is a fix-up science fiction novel by Eando Binder. It tells the story of several successive space expeditions to Mars, Venus, Mercury and Jupiter. As each planet is found to harbor various (usually hostile) alien life, each expedition must survive both the elements and the attacks by the natives. The continuing thread through the expeditions is the discovery of an ancient pyramid on each planet they explore. These puzzling pyramids were apparently built by an unknown primeval civilization far older than and unrelated to the current inhabitants. When a final