 Cruising speed. It begins to look as if Williams is right, Captain. Not a sign of life on four continents. Well, we'll make a radiation check and then head back for Mars. Do you agree with me, gentlemen? That for all practical purposes, the planet is dead? It still might, Captain. What is it? Am I going out of my mind? Look out that way to the west. Could that be... By heaven, it is. Those are lights. Turn the ship.