🌙 Stonehenge Moon and Stones: Lunar Standstills and Raising a Trilithon

Watch the Moon rise over a mid-poly Salisbury Plain Stonehenge and scrub the 18.6-year lunar standstill cycle (moonrise at 40.5 deg to 140 deg from latitude 51.2 N), then switch to Raise mode and drag, tilt and lift a 24-tonne sarsen and a lintel with real friction, torque and crib-stability numbers. Hypotheses are labelled.

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