Shawn awoke with a throbbing ache in his head, and for a moment lay staring up dazedly at a black ceiling, sprinkled with brilliant star points. Gravity was again normal. Weakly he sat up, hearing a groan from Heffley and a gasp from Lorna.
The little physicist propped himself up, blinking, as Shawn arose painfully and went to the controls. He made a few hasty adjustments.
“Terry,” Heffley whispered, “We’re in space. The compensator—”
“We didn’t allow for initial acceleration. Or, rather—we didn’t allow enough, Sam. It won’t happen after this.”
“Ye gods, what power we’ve got in those motors,” Heffley said. “Look at that!” He pointed down.
On the vision screen on which they stood, far behind them, two spheres loomed, turning slowly in space, glowing with pale radiance. Earth and Moon,
