Word: zeros
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Dates: during 1970-1979
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...pictures ranged from those of the astronauts engaged in everyday activities inside their cavernous spacecraft -showering, eating and undergoing medical tests in zero-G -to dramatic exterior views of Skylab itself. One particularly stunning photograph, taken from the Apollo command ship after the astronauts left Skylab, shows the 80-ton space station circling the cloud-covered earth. The makeshift sunshade, erected by the astronauts after the loss of the original shielding during launch, and the single surviving solar wing on the orbital workshop section are clearly visible. The photographs also offer a close-up view of the damaged equipment, including...
...temporarily. The 18 days of semi-isolation were ordered by doctors to shield the astronauts from the effects of earthly germs; any chance infection could be confused with bodily changes caused by the prolonged weightlessness, and thus hinder the intensive effort to pinpoint the physical consequences of living in zero...
Though the astronauts were queasy in their first hours back on earth, they have since developed a higher than usual resistance to motion sickness. The curious phenomenon is apparently connected with the prolonged exposure to zero-G of the balance mechanism in the inner ear-a tolerance that the doctors believe will soon disappear...
...meeting with the press, the astronauts were enthusiastic about their experience in space. "It was a continuous and pleasant surprise how easy it was to live in zero-gravity, and how well you feel," said Kerwin, who attributed his own "dizziness" after splashdown to simple seasickness. Added Conrad: "I'd say very definitely that the average man or woman could fly in space." The only major change urged by the astronauts for future missions is an increase in the daily program of exercises from 30 minutes to perhaps an hour and a half to help maintain muscle tone...
Effects of Zero-G. The medical concern was not unwarranted. All three astronauts were unsteady as they emerged from the spacecraft, and Astronaut-Physician Kerwin needed a slight assist as the three Navymen walked to a waiting mobile medical lab. Then, as the carrier steamed to San Diego, doctors began an intense, six-hour examination aimed at answering many questions relating to the prolonged flight. For example, had there been irreversible damage to the astronauts' cardiovascular systems or excessive loss of calcium from their bones...