Sunset Over The Sea Of Crises.

Imagine if you stood on the western rim of the great crater Langrenus, poised on the edge of the Sea of Fertility.

You would see the Sun poised on the edge of the horizon, illuminating the edge of the crater rim before disappearing below the horizon and the unimaginable cold of the two-week lunar night; and as you watched the Earth set not long after, you would see the interior of the thin blue crescent illuminated by moonlight.