He didn't know how far into the asteroid's interior he was moving, but he knew what he would find when he reached his destination.

Lurton guessed that the scene was from the home planet of the asteroid's builders; perhaps the distant city was their capital.

He had even learned how to use many of the asteroid's capabilities, and then had made it the base for his foolish attempt to take over Mars.

Other information was provided, including the asteroid's precise location and its speed of motion and rotation.

"Therefore the locking mechanism is not original to the asteroid's design.

At one place near the asteroid's equator a technician was installing a communications unit.

Motionless on the asteroid's surface, Zip and George were slowly moving into the dawn.

He was smiling widely again as he pressed "Enter" and activated the asteroid's propulsion system. 14: The Shield of St. George THE CONVERSATION was very quiet, but the microphone picked it up.

"Yes! -the asteroid's moving!"

"Tell them about the destruction of Z25, describe the asteroid with an estimate of the number of pirates and their ships, and especially the asteroid's location.

Joe had sealed it and seen that it was securely clamped to the asteroid's surface.

" When Zimbardo burned out the asteroid's power, much of the energy needed to power its sheathing apparatus disappeared.

Having done that, he pored through the printed material he had taken from the asteroid's power plant.

I suspect that the asteroid's full power had never been accessible to Zimbardo.