The moon could turn astronauts into ‘walking, high voltage capacitors’ that accidentally zap spacecraft
space.com Oct 12, 2026

The moon could turn astronauts into ‘walking, high voltage capacitors’ that accidentally zap spacecraft

AI-summarised brief · reviewed before publication

NASA has launched the Lunar Grounding Challenge, a $150,000 competition to develop lightweight, low‑power solutions that prevent astronauts from becoming “walking, high‑voltage capacitors” during moon missions. The agency cites tribocharging and plasma charging as risks, especially in permanently shadowed lunar regions where negative charge builds up on suits. The goal is to safely discharge astronauts before they re‑enter landers, avoiding arcs that could damage equipment or ignite oxygen‑rich atmospheres. Submissions are due Jan. 15, with potential use in Artemis 4 or 5 missions at the lunar south pole.

💡 Why It Matters

  • · By addressing static‑charge hazards, NASA aims to safeguard crew safety and mission integrity, ensuring that future lunar expeditions can proceed without electrical failures that could jeopardize both personnel and critical hardware.