Word: minitour
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...BEYOND THE MOON. In 1971, NASA plans to place two spacecraft in orbit around Mars. In 1973, two "Viking" missions are scheduled to make soft landings on the planet's surface. Also proposed is a Venus-Mercury "minitour" using the Venusian gravitational force to whip a satellite on toward Mercury. Perhaps most visionary of all is NASA's dream of "Grand Tour" flights to the "outer" planets-Jupiter, Saturn, Uranus and Neptune. The four outer planets will be aligned in such a way that a single craft launched between 1976 and 1978 could fly by all of them...
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