This young crater is one of the most reflective parts of the Moon's surface, its interior showing up even when it is close to the terminator and its rays have largely disappeared. It is so bright that it shows up on the lunar night-side, shining in the dim earthshine.

Photo: António Cidadão. His Home Page of Astrophotography includes stereograms, animations, and "Seven Craters a Week" from his forthcoming photographic lunar atlas.

Inconstant Moon