☀ Sun elevation 1.5°  ·  azimuth 0°  ·  day 0%
Sunlit floor — ice sublimates In shadow right now Confirmed permanent shadow (PSR) Accumulated ice deposit
⚠ WebGL failed to load.
Try reloading, or a browser with WebGL2 support.

🌑 Polar Cold Traps

Why ice hides only in permanently shadowed craters

Sun elevation (axial tilt / libration)1.5°
Sun azimuth (manual)0°
Sweep speed1×
Geological time elapsed0 Myr

Ice only ever accumulates in craters confirmed never-lit across a full sweep. Any sunlit floor sublimates its ice instantly.

Days swept
0
Confirmed PSRs
0 / 0
CraterEver lit?Ice

Drag to orbit / tilt the terrain. Scroll to zoom. The pole marker (⚑) shows where the Sun never climbs more than a few degrees above the horizon — exactly like the real lunar poles.