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10

Ken wasted no time donning his space suit and leaving the ship with the others. Once inside the station and out of the heavy garment, he hastened to the shop to see how far out the returning test suit was; then, satisfied with its progress as recorded there, he headed for the observatory to continue his conversation with Laj Drai. He met no one on the way. Lee had stayed on the ship, Feth had disappeared on some errand of his own the moment the lock had closed behind them, and the rest of the personnel kept pretty much to themselves anyway. Ken did not care this time whether or not he were seen, since he planned a perfectly above-board conversation.

He was interrupted, however, in planning just how to present his arguments, by the fact that the observatory door was locked.

It was the first time he had encountered a locked door in the station since his arrival, and it gave him to think furiously. He was morally certain that the trading torpedo had returned during the absence of the Karella, and that there was a load of tofacco somewhere around the building. If this were the only locked door — and it was, after all, the room Drai used as an office—

Ken pressed his body close to the door, trying to tell by sound whether anyone were in the room. He was not sure; and even if there were not, what could he do? A professional detective could probably have opened the door in a matter of seconds. Ken, however, was no professional; the door was definitely locked, as far as he was concerned. Apparently the only thing to do was seek Drai elsewhere.

He was ten yards down the ramp, out of sight of the observatory door, when he heard it open. Instantly he whirled on his toes and was walking back up the incline as though just arriving. Just as he reached the bend that hid the door from him he heard it close again; and an instant later he came face to face with Feth. The mechanic, for the first time since Ken had known him, looked restless and uneasy. He avoided Ken’s direct gaze, and wound the tip of one tentacle more tightly about a small object he was carrying, concealing it from view. He brushed past with a muttered greeting and vanished with remarkable speed around the turn of the ramp, making no answer to Ken’s query as to whether Drai were in the observatory.

Ken stared after him for seconds after he had disappeared. Feth had always been taciturn, but he had seemed friendly enough. Now it almost seemed as though he were angry at Ken’s presence.

With a sigh, the pro tem detective turned back up the ramp. It wouldn’t hurt to knock at the door, anyway. The only reason he hadn’t the first time was probably a subconscious hope that he would find Drai somewhere else, and feel free to investigate. Since his common sense told him he couldn’t investigate anyway, he knocked.

It was just as well he hadn’t made any amateur efforts at lock-picking, he decided as the door opened. Drai was there, apparently waiting for him. His face bore no recognizable expression; either whatever bothered Feth had not affected him, or he was a much better actor than the mechanic. Ken, feeling he knew Feth, inclined to the former view.

“I’m afraid I’m not convinced of the usability of any Sarrian soil,” Drai opened the conversation. “I agree that most of the substances present in it, as far as I know, could also be present at Planet Three’s temperature; but I’m not so sure the reverse is true. Mightn’t there be substances that would be solid or liquid at that temperature and gaseous at ours, so that they would be missing from any we brought from home?”

“I hadn’t thought of that,” Ken admitted. “The fact that I can’t think of any such substances doesn’t mean they don’t exist, either. I can skim through the handbook and see if there are any inorganic compounds that would behave that way, but even that might miss some — and if their life is at all analogous to ours, there are probably a couple of million organic compounds — for which we don’t have any catalogue. No, blast it, I guess you’re right; we’ll have to take the stuff from the planet itself.” He lapsed into silent thought, from which Drai finally aroused him.

“Do you really think you’re going to be able to get to the surface of that world?”

“I still can’t see why we shouldn’t,” replied Ken. “It seems to me that people have visited worse ones before, bad as that is. Feth is pessimistic about it, though, and I suppose he has more practical knowledge of the problem than I. We can make more definite plans in that direction when the suit comes back, which shouldn’t be long now. According to the instruments it started back a couple of hours ago.”

“That means nearly three days before you’re sure. There must be something else — say! You claim it’s the presence of a conducting atmosphere that makes the heat loss on Planet Three so great, don’t you?”

“Sure. You know as well as I that you can go out in an ordinary space suit light years from the nearest sun; radiation loss is easy to replace. Why?”

“I just thought — there are other planets in this system. If we could find an airless one roughly the same temperature as Three, we might get soil from that.”

“That’s an idea.” Ken was promptly lost in enthusiasm again. “As long as it’s cold enough, which is easy in this system — and Three has a satellite — you showed it to me. We can go there in no time in the Karella—and we could pick up that suit in space while we’re at it. Collect Feth, and let’s go!”

“I fear Feth will not be available for a while,” replied Drai. “Also,” he grimaced, “I have been on that satellite, and its soil is mostly pumice dust; it might have come straight from the Polar Desert on Sarr. We’d better consider the other possibilities before we take off. The trouble is, all we’ve ever noted about the other planets of the system is their motions. We wanted to avoid them, not visit them. I do remember, I think, that Five and Six do have atmospheres, which I suppose writes them off the list. You might see where Four is just now, will you? I assume you can interpret an ephemeris.”

Ken decided later that courtesy was really a superfluous facet of character. Had it not been for the requirements of courtesy he would not have bothered to make an answer to this suggestion, and had not most of his attention been concentrated on the answer he would never have made the serious error of walking over to the cabinet where the table in question was located, and reaching for it. He realized just as he touched the paper what he was doing, but with a stupendous effort of will he finished his assurance that he could read an ephemeris and completed the motion of obtaining the document. He felt, however, as though a laboratory vacuum pump had gone to work on his stomach as he turned back to his employer.

That individual was standing exactly where he had been, the expression on his face still inscrutable.

“I fear I must have done our friend Feth an injustice,” he remarked casually. “I was wondering how you had come to imply that a round trip to Sarr would take only a week. I realize of course that your discoveries were made quite accidentally, and that nothing was farther from your plans than vulgar spying; but the problem of what to do about your unfortunate knowledge remains. That will require a certain amount of thought. In the meantime, let us continue with the matter of Planet Four. Is it in a convenient position to visit, and could we as you suggested pick up the torpedo carrying your suit without going too far from course?”

Ken found himself completely at a loss. Drai’s apparently unperturbed blandness was the last attitude he expected under the circumstances. He could not believe that the other was really that indifferent; something unpleasant must be brewing between those steady eyes, but the face gave him no clue. As best he could he tried to match his employer’s attitude. With an effort he turned his attention to the ephemeris he was holding, found the proper terms, and indulged in some mental arithmetic.