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Astronomy
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Life Support, Radiation, and Microgravity
Grade Level
Astronomy
AST.277 Life Support, Radiation, and Microgravity
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After weeks in orbit, a crew member notices reduced calf size and lower endurance. Which pair matches the likely hazard?
A
Hazard: microgravity muscle loss; mitigation: use daily exercise that includes resistance and cardiovascular work.
B
Hazard: solar radiation; mitigation: reduce storm-shelter mass.
C
Hazard: cabin trace gases; mitigation: stop air-cleaner maintenance.
D
Hazard: closed-loop water shortage; mitigation: add more entertainment videos only (in this context).
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