Move the sunlight, change the Moon
Take control of the Sun’s direction. Watch the day–night boundary sweep across a textured globe while the Moon itself stays whole.
Preparing the experiment
Illustrative modelMove the Sun below
Bright side: sunlight · faint side: optional earthshine
A textured spherical model with ideal lighting. It is not a relighting of either photograph or a calculation of its capture date. Shadows here come from the sphere, not measured crater relief.