Word: cernan
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Dates: during 1970-1979
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Next day millions of TV viewers on earth watched as Challenger, in a dramatic pyrotechnic display, lifted off from the moon's mountain-rimmed Taurus-Littrow valley. Two hours later, Cernan and Astronaut-Geologist Jack Schmitt reunited with Ron Evans, who was whirling overhead in America. Then, after two more days of observing the moon from the orbiting command ship, the astronauts fired themselves out of lunar orbit and began the three-day journey home. By week's end, the final U.S. expedition to the moon was headed for its scheduled splashdown this week in the South Pacific...
...terms of its scientific payoff, the last Apollo mission will probably turn out to be the best. During their record 22 hours outside their moonship, Cernan and Schmitt collected some 250 lbs. of lunar rocks, more than any of the ten moonwalkers before them. They set up the moon's fifth scientific station and drove their battery-powered rover across 22.5 miles of the cratered valley. They took more than 2,000 photographs, and turned up what may well be the first positive evidence of relatively recent volcanic activity on the moon. Said Schmitt, the first scientist to walk...
...perfect landing only about 300 ft. from target near the Crater Camelot,* Geologist Schmitt made it clear that he regarded the stark, rock-littered valley as his special turf. "A geologist's paradise, if I've ever seen one," said the Harvard-trained scientist as he and Cernan began their preliminary chores: familiarizing themselves with the terrain, photographing the area and, finally, maneuvering the rover out of its berth in the side of the lunar module. Then, after a fast test spin by Cernan ("Hallelujah, Houston, Challenger's baby is on the road"), the moon...
...Cernan also had reason to be embarrassed. With one swing of his geological hammer, he accidentally clobbered the $13,000,000 moon car, knocking off part of one of its rear fiberglass fenders, which act as shields against the spray of dust churned up by the rover's wire mesh wheels. Cernan tried to reattach the section of fender with gaffer tape. But because of the everpresent, clinging fine-grained lunar dust, it would not stick. As precious minutes ticked away. Mission Control suggested that the astronauts abandon the fender repair work and get on with the more important...
...experiments also posed problems. Cernan worked so hard trying to drill holes for the important heat-flow experiment-which had been inadvertently disconnected on the Apollo 16 mission-that his pulse climbed to 150 beats per minute. NASA doctors, monitoring his heartbeat, ordered him to rest. Coming to Cernan's aid, Schmitt took a dramatic spill as he tried to extract a balky core tube from the ground. All of the experiments were finally set up, but it was learned later that a key instrument-the surface gravimeter-had jammed. It was a bitter disappointment to scientists...