Moon with black background. The moon is the second brightest light in the sky after the sun, but unlike the sun, it does not emit light. Black background jigsaw puzzle is understandable. Play and solve Black background puzzle with 12, 24, 35, 40, 54, 60, 70, 96, 104 or 260 pieces. This online jigsaw puzzle, is the perfect way to relax. Or create your own puzzle pictures.