They struggle in a cave , and Mannfeldt falls to his death in a crevasse .
Once they get to the far side of the Moon , Mannfeldt and Turner prove Mannfeldt 's theory that there is gold on the moon .
They struggle in a cave , and Mannfeldt falls to Mannfeldt 's death in a crevasse .
Once they get to the far side of the Moon , Mannfeldt and Turner prove Mannfeldt 's theory that there is gold on the moon .