He slipped an arm around her. "Of course. You know, Nina, our scientists say that if one could travel faster than the speed of light one could live in reverse. So when we get old we'll go out in space, very, very fast, and we'll grow young again, together!"
Then a shout went up from the two men who had gone up the ramp into the ship to greet whoever was aboard. They came hurrying down, and Robin and Nina crowded forward to hear what they had to report.
They were puffing from the rush of their excitement. "There is no one alive on the ship," they cried. "Only an old, withered, white-haired lady, lying dead ... and alone. She must have fared long and far to have lived so long, to be so old in death. Space travel must be pleasant, indeed. It made her very happy, very, very happy—for there is a smile on her face."