It just couldn't be that there would be no more of those tussles of friendly play; those boxing matches or wrestling bouts by which his growing body adjusted to swift action and hard knocks. He could not make himself believe that there would be no more of those hours of practical instruction, or the long, pleasant evenings when the big man would talk of the places where he had been, the things he had seen and done in his travels about the galaxy.
For Tad Carver was one of the real pioneers of deep space. He had been an officer of the first ship to reach the stars—the planets of Sirius.
Deep-space travel was not yet a commonplace thing, although it was becoming so more swiftly with each passing year. Jon knew that there were now regular trips to the planets and some of the moons of his home solar system. One could have a two weeks' vacation trip from Terra to Luna for a thousand credits, or a month's cruise to Mars or Venus for forty hundred.
Merchant ships made fairly regular voyages to the planets of Sirius and Vega and, less often, to one or two other even more distant worlds which had been found to contain friendly and civilized beings—not all of them humanoid—who were glad to engage in inter-stellar commerce. Other spaceships plied between Terra and the many newly discovered worlds that were being colonized by Earth people.
But it had been men like Tad Carver who, co-operatively, had bought ships and surveyed the spaceways. It was they who had opened up those parts of the galaxy so far charted and who, incidentally, had made fortunes for themselves from the metals, strange jewels and other rare objects they had discovered and brought back, and for which the rich of Terra had paid so willingly and so handsomely.
That was why, after a number of years and many such trips, Carver had been able to buy his own small ship, outfit it for deep space travel, and take his family with him on his further voyages of exploration and survey. They were now en route to a new portion of the galaxy, one never—so far as they knew—visited by human beings.
"But what'll we do without Pop?" Jon's mind went back to his problem. "Who would be in command of their ship now? Mom didn't know a thing about the navigation of space. Look how she'd demanded he turn around 'right now'!" She was wonderful, and Jon loved her dearly. But he also knew she would be absolutely out of place trying to make their decisions about where to go, how to get there, how to run the ship, and so on. She had always seemed content to "keep house" on the ship, just as she had on Terra, and paid but little attention to what else was going on.
And Jak was just about as bad. The older boy was quick-and-logical thinking, and knew a lot—but not about such things. Jon had been the one who was always tagging their father around, forever asking questions about how to do this, why was that done, what did this machine do and what was the theory behind it, and so on? He had always been working with machines, almost since he could toddle. He took them apart, not destructively but questioningly, and was very soon able to put back together again correctly an endless succession of ever-more-complicated mechanisms.
Recently he had begun the study of astrogation—he had also long been a "math shark"—and now knew enough to realize how little he really did know about this complicated subject—although actually it was a great deal.
Sobered, and suddenly aware of a growing maturity brought on by the terrific problems they faced, Jon sat up. He rose and went over to his mother's side. He touched her softly on the shoulder, and she looked up at him. At sight of his anxious face she threw her arms about him.