The Overlords are eager to escape from their own evolutionary dead end by studying the Overmind, so Rodricks's information is potentially of great value to them. By radio, Rodricks describes a vast burning column ascending from the planet. As the column disappears, Rodricks experiences a profound sense of emptiness when the children have gone. Then material objects and the Earth itself begin to dissolve into transparency. Rodricks reports no fear, but a powerful sense of fulfillment. The Earth evaporates in a flash of light. Karellen looks back at the receding Solar System and gives a final salute to the human species.