Word: bungo
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Dates: during 1980-1989
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...sending a spacecraft to Mars and bringing it back to earth pale when compared with the challenge of keeping its human cargo safe and in peak physical and mental condition. The medical consequences of long periods of weightlessness are still not fully understood. And radiation, says NASA's Michael Bungo, "is going to be a showstopper." Once beyond the earth's atmosphere and magnetic field, which protects terrestrial life from most lethal radiation, crew members would be vulnerable to cosmic rays. These highly energetic particles travel through space at close to the speed of light and can produce hazardous secondary...
...about the ability of humans to withstand the effects not only of prolonged weightlessness but also of the transitions from gravity on earth (one G) to zero G in space to 0.38 G on Mars. "We're nowhere near ready to send a human to Mars," says Dr. Michael Bungo, director of NASA's Space Biomedical Research Institute at the Johnson Space Center. "We've got years more of basic research...
...Michael Bungo, director of the Space Biomedical Research Institute at Houston's Johnson Space Center, is not so sure. "This is just one test case," he says. "The margin of error is considerable." The validity of the 5% figure, Bungo believes, also depends on whether bone-marrow testing was done at the preferred point -- the spine -- or at the heel bone, which he says the Soviets have done in the past. Besides, while total calcium loss may have been low, he is concerned that there still may be structural changes in Romanenko's bones that could make them more prone...