NEEP602 Course Notes (Fall 1996)
Resources from Space
Table 2-10. Environmental/Physiological/Operational Considerations for Lunar EVA
> Exposure to radiation
o Ionizing (solar flare, natural background, nuclear power installation)
o Non-ionizing (exposure to communications antennas)
> Low gravity (0.165 g)
> Changing physiology due to extended stay in reduced gravity
o Reduced muscle mass
o Bone demineralization
o Decreased cardiovascular condition
o Loss of red blood cell mass
o Suppressed immunological function
> Lunar dust exposure and control
> Sharp thermal gradients
> Rugged and sloped terrain (maintaining upright stability)
> Sunlight/Earthlight
o Angles subtended (vary with respect to crew position/orientation)
o Perception of stellar space
o Lunar night/lunar noon
> Exposure to space debris (micrometeoroids and ejecta)
> Exposure to contaminants and occupational hazards in plant operations
> Effect of absence of Schumann Electromagnetic Resonance
> Communications routings on links with Earth and Space Station
> Automated systems in LEMU to preclude requirements for "hands-in"
capability
> Operational monitoring of EVA crewmember at remote sites from lunar base
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