Across the blazing face of the sun moved a round dark speck, a tiny, one-man space ship. It was very small, very close, and utterly helpless. The side facing the sun glowed dull red. Inside, Jim MacDonald stood glumly regarding the thermometer on the pilot compartment bulkhead. Sweat made dark patches on the light blue of his uniform and ran in beads down his forehead. He rubbed his arm across his face. The thermometer read over two hundred. He shook his head slowly. It couldn't be that hot, hea