National Geographic : 1932 Nov
Photograph by Capt. A. W. Stevens THE AERIAL CAMERA REVEALS THE EFFECTS OF THE MOON'S SHADOW The fleecy clouds in the foreground, which are II,ooo feet above the earth, are typical of the appearance ofthose inthe darker area, just beyond, only a moment before this photograph was taken. In the sunshine area, in the distance, are more clouds ofthesame kind. The dark part ofthesky along the upper edge of the photograph marks the near rim of the shadow in the upper air. Captain Stevens was flying atabout 27,000 feet when he took this picture.