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🔋 Lunar Night Power Survival Simulator

Size a lunar solar array and battery bank to survive the 14-day lunar night — or switch to a steady radioisotope power source and see the trade-off.

Space & Astronomy3DModerate60 FPS

⚙ Under the hood

Size a solar array and battery bank on a lunar lander and watch it charge through the 14.75-day lunar day, then drain through the 14.75-day lunar night — undersize the battery and the heaters die of cold, or switch to a steady radioisotope generator instead.

Three.jslunar powerbattery storageRTGsolar array

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install