Something had gone wrong. The earth had slid to one edge of the screen. He readjusted the ra-vis. The space-cloud of black that had hovered near the moon that night had also shifted its position. It was now between the earth and the sun, and the earth seemed to be following it.... The furrow between his dark brows deepened, but he said nothing.

"Just think of it!" she said, her voice a song. "Mars! And a brave new world!"

He put an arm about her shoulders and took his eyes from the screen. It was absurd to think the earth was moving sunward. It was probably merely due to some space aberration....

"Yes," he said, picking up her enthusiasm. "And after that—the stars!"