NASA · Space

NASA Seeks Solutions for Lunar Static Discharge Risk

NASA's Lunar Grounding Challenge aims to find ways to prevent dangerous electrical discharges when astronauts return to their spacecraft after moonwalks, particularly in the shadowed regions of the lunar South Pole.

Astronauts on the Moon can accumulate significant static electric charge on their spacesuits due to tribocharging and plasma effects. This risk is amplified in permanently shadowed regions (PSRs) where the lack of sunlight prevents charge balance, leading to a substantial negative potential on the suit.

When a highly charged astronaut approaches a lander, which may hold a slightly positive potential in sunlit areas, the extreme voltage difference can cause an electrostatic discharge (spark). This rapid discharge could damage the spacesuit, its electronics, compromise the oxygen supply, and shock the crew.

The challenge seeks innovative designs and operational solutions for a 'lunar grounding' capability. The goal is to safely neutralize the accumulated charge on an astronaut before they interact with the lander, mitigating the risk of electrostatic discharge (ESD).

Up to $150,000 in prizes are available. The challenge opened on October 5, 2026, with submissions due by January 15, 2027. More details can be found at the provided CrowdPlatform link.

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