Myra Horn awoke from her nap on the couch in the control room and looked at her husband. He was hunched over the Simplimatic 50-Button control board of their sleek Skypiercer space-launch, peering through the vision shield with a grim intensity. Myra turned her involuntary smile into a wifely frown at his muscular back. "Steve!" she said sharply. "Will you stop chasing that meteor? Aren't you ever going to grow up?" Steve Horn glanced at her over his shoulder. "Hush, dear," he grinned. "Papa's i