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"I'm afraid that the reports are true, sir," Dr. Dale said. "There are positive signs of decreasing pressure in the artificial atmosphere around the settlements on Titan. The pressure is dropping and yet there is no indication that the force screen, holding back the real methane ammonia atmosphere of Titan, is not functioning properly." "How about leaks?" Connel growled.

Captain Strong grabbed the young master sergeant by the arm and stood stock-still in the swirling methane ammonia gas, his eyes searching the misty sky. "What is it, sir?" asked Morgan. "A spaceship decelerating," said Strong, "coming in for a touchdown!" "I think I hear it now, sir!" said Morgan. "Can you figure out where it is? I can't see a blasted thing."

I realized that here was the real will-o'-the-wisp surrounded by so many thousands of legends and explained so simply by chemistry as merely a flash of methane or swamp gas generated by the putrefying of vegetable matter in the warm damp earth. "Here dwell the demons of Adair, who are in perpetual war with those of Muren," explained the Mongol.

The mixture of hydrogen, methane, ammonia, and water vapor was bombarded with lightning, and in the course of time generated amino acids that could produce protein, but how a self-replicating organism of DNA sequences evolved from this has no plausible theory.

If you don't find them, and they don't show up at the spaceport, we'll organize a full search." "Thank you, sir," said Strong. "You come along with me, Sergeant." Adjusting their oxygen masks, Captain Strong and Sergeant Morgan strode down the street through the swirling mist of deadly methane ammonia to begin their search for Tom and Astro. "Listen!"

It seemed a pity for such infinitely delicate and beautiful objects to be broken and crushed. The sergeant unlocked the lock-door and spoke into a microphone when he heard the skipper stamping on the steel lock-flooring. "Brush yourself off," commanded the sergeant, "and sweep the stuff outside. Part of its methane and there's some ammonia in those crystals." There was a suitable pause.

Only the new antibiotics he had taken along, had kept the gangrene from killing him. There was a light safety belt across his bed. But somehow he knew Nelsen. And his achievement seemed like a mechanical record fixed in his mind. "Hi, Frank," he whispered hurriedly. "I figured it right. Out there, near Saturn, clusters of particles of frozen methane gas are floating free like tiny meteors.

The fleet went into a polar orbit around that gigantic planet, which was useless to mankind because its atmosphere was partly gaseous ammonia and partly methane. The cosmos paid no attention. An unstable sol-type star in Cygnus collapsed abruptly and a number of otherwise promising planets became unfit for human exploitation. In Andromeda, a super-nova flared.

Gradually he began to see the vague form of a door on the opposite wall and he made his way toward it, completely unaware that he came within inches of falling through the open trap door in the floor. He opened the door in the wall slowly, peering inside cautiously. He was startled to feel the faint rush of air on his hands and to see the room clear of the dangerous methane ammonia gas.

Granted, the temperature of Eisberg is a long way from red hot, but normal sealing still won't keep out hydrogen. Add to that the fact that hydrogen and methane are both colorless, odorless, and tasteless, and you have the beginnings of an explosive situation. The only reason that no one died is because the Space Service is what it is.