When they opened the cases brought aboard by the Martians, he would see that the method of blasting the asteroid into a course for earth was all figured out for him. Rip was anxious to get at those cases. Not until he saw the method of operation could he begin to figure his course. But there was no possibility of getting at the stuff until brennschluss. He put the problem out of his mind and concentrated on what his men were saying. "... and he slugged into that asteroid going close to seven AU’s," Santos was saying. The little Filipino corporal shrugged expressively. Rip recognized the story. It was about a supply ship, a chemical drive rocket job that had blasted into an asteroid a few years before. Private Dowst shrugged, too. "Too bad. High vack was waiting for him. Nothing you can do when Old Man Nothing wants you." Rip listened, interested. This was the talk of old space hands. They had given the high vacuum of empty space a personality, calling it "high vack," or "Old Man Nothing." With understandable fatalism, they believed—or said they believed—that when high vacuum really wanted you, there was nothing you could do. Rip had come across an interesting bit of word knowledge. Spacemen and Planeteers alike had a way of using the phrase, "By Gemini!" Gemini, of course, was the constellation of the Twins, Castor and Pollux. Both were useful stars for astrogation. The Roman horse soldiers of ancient history had sworn, "By Gemini," or "By the Twins." The Romans believed the stars were the famous Greek warriors Castor and Pollux, placed in the heavens after their deaths. In later years, the phrase degenerated to simply "by jiminy" and its meaning had been lost. Now, although few spacemen knew the history of the phrase, they were using it again, correctly. Other space talk grew out of space itself, and not history. For instance, the worst thing that could happen to a man was to have his helmet broken. Let the transparent globe be shattered and the results were both quick and final. Hence the oft-heard threat, "I’ll bust your bubble." Speaking of bubbles ... Rip realized suddenly that he and his men would have to live in bubbles and space suits while on the asteroid. None of the minor planets were big enough to have an atmosphere or much gravity. If only he could get a look into those cases! But the ship was still decelerating and he would have to wait. He put his head against the chair rest and settled down to wait as patiently as he could. Brennschluss was a long time coming. When the deceleration finally stopped, Rip didn’t wait for gravity. He hauled himself out of the chair and the squadroom and went down the corridor hand over hand. He headed straight for where the supplies were stacked, his Planeteers close behind him. Commander O’Brine arrived at the same time. "We’re starting to scan for the asteroid," he greeted Rip. "May be some time before we find it." "Where are we, sir?" Rip asked.