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NASA's manned space program may be suffering from hard times, but the space agency's unmanned exploration of the solar system is continuing to report stunning successes. In the past few years, robot spacecraft have surveyed the planet Mars in exquisite detail, sent back the first closeup pictures of Venus and Mercury, and penetrated the powerful radiation belts surrounding the sun's largest satellite, Jupiter. Now, after sweeping even closer to Jupiter than did its predecessor, Pioneer 10, last December, Pioneer 11 is beginning the long trip to its next target: Saturn...
...bill ion-mile voyage across a large part of the solar system will take five years, but flight planners at NASA'S Ames Research Center have every reason to expect the 570-lb. nuclear-powered robot to survive the trip. If it does, it will send back closeup pictures and other data from the ringed planet. Of four Pioneers that were launched into solar orbit between 1965 and 1968 to monitor interplanetary space, all are still transmitting scientific data-even though they were designed by Pioneer's prime contractor, TRW Inc., to last only six months; only...
...cloudtops last December. As a result, Pioneer 11 will be subjected to radiation perhaps ten times as powerful as that encountered by its predecessor, which escaped with only minor damage to its instruments. If Pioneer 11's electronic gear survives, it should produce a bonanza of data: 22 closeup color pictures of Jupiter, including the first of its polar regions; new studies of the planet's temperature, radiation levels and magnetic field; and the first measurements of Amalthea, smallest and innermost of Jupiter's 13 known moons.* Space Pioneer. No one is watching Pioneer...
...which he rushed into combat ("L'audace, toujours I'audace"), he was probably war's last romantic. "I love wars and am having a fine time," he wrote to his wife Beatrice during the Sicilian campaign. "When it cools off, I am going to have a closeup of the Greek temples...
...News Closeup. "Danger in Sports: Paying the Price"--an examination of high school football and the risks of gung-hoism. Ch. 5, 8 p.m. 1 hour...