As an astronaut traverses the lunar South Pole, tribocharging from walking on the lunar surface and plasma charging from the ambient plasma generate electric charge on the spacesuit.
Because the lunar surface lacks a natural environmental mechanism to bleed the charge accumulated on spacesuit away, the astronaut may become a walking, high voltage capacitor.
Through the Lunar Grounding Challenge, NASA is seeking innovative designs and operational solutions to provide a lunar bringing to equilibrium capability to safely discharge a suited astronaut from high triboelectric charge buildup during lunar surface EVAs in the South Pole.
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As an astronaut traverses the lunar South Pole, tribocharging from walking on the lunar surface and plasma charging from the ambient plasma generate electric charge on the spacesuit.
The risk occurs when an astronaut returns to the spacecraft. Because the lunar surface lacks a natural environmental mechanism to bleed the charge accumulated on spacesuit away, the astronaut may become a walking, high voltage capacitor.
In the sunlit region, the stationary lander will hold positive electrical potential.
Through the Lunar Grounding Challenge, NASA is seeking innovative designs and operational solutions to provide a lunar bringing to equilibrium capability to safely discharge a suited astronaut from high triboelectric charge buildup during lunar surface EVAs in the South Pole.
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Our calmer version of NASA’s report, shortened: the same facts and quotations, with the loaded words taken out.
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