Space probe comet 67P/Churyumov-Gerasimenko in November 2014. First probe to Jupiter. Radio communications were lost with Pioneer 10 on January 23, 2003, because of the loss of electric power for its radio transmitter, with the probe at a distance of 12 billion kilometers (80 AU) from Earth. First probe to fly by Saturn. (Communications were later lost due to power constraints and vast distance.) "Voyager 1" is a 733-kilogram probe launched September 5, 1977. It visited Jupiter and Saturn and was the first probe to provide detailed images of the moons of these planets. "Voyager 1" is the farthest human-made object from
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