 What emotions could likely be behind the expression on Peter's face at the end of the passage when he was told that they could not return to Earth?
Outside, the stars were as before: tiny, myriad points of light, infinitely far away. It was a kind of indefinable emptiness. I do not think it was what Peter called an emotion; and yet it had nothing to do with logic, either. It was just an emptiness—a void that could not be filled by eating or drinking. I did not even wish that Peter were not dead, for reason had told me that he had to die. But the void was still there, unexplainable and impossible to ignore. His dream was perfect; the Citadel was complete, every minutest detail provided for—on paper. Then there would remain only the task of blasting the great, shining ship out into the carefully-calculated orbit that would be its home. He could see, too, the level on level of laboratories and storerooms that filled its interlocking segments; the meteor deflectors, the air renewal system, the mighty engines at the stern—all the children of his brain. Out there, away from the muffling, distorting, damnable blanket of atmosphere, away from Earth's inexorable gravitational pull, would be a laboratory such as man had never seen. The ship would be filled with the sounds of busy men and women, wresting secrets from the reluctant ether. For the moment he could only be glad that what he had seen was terrible reality rather than even more terrible illusion. NO COMMUNICATION FROM ANTARCTICA IN 6 HOURS STRANGE FORCE DEFLECTS PLANES FROM SAHARA AREA WORLD POLICE MOBILIZING The item below the last one said: Pacifica, June 7—The World Police are mobilizing, for the first time in fifty years. There can be few within reach of printed reports or my words who have not seen the Invaders, or whose friends have not seen them. "The peoples of the world, then, know what they are, and know that we face the most momentous struggle in our history. "Since the Invaders first appeared in Wood River, Oregon, 24 hours ago, they have not once acknowledged our attempts to communicate, or in any way taken notice of our existence as reasoning beings. They have treated us precisely as we, in less enlightened days, might have treated a newly-discovered race of lower animals. They have examined us, dissected us, driven us mad, killed us with no discernable provocation; and this is more intolerable than any normal invasion. "I have no fear that the people of Earth will fail to meet this challenge, for there is no alternative. Not only our individual lives are threatened, but our existence as a race.
 Defeat
 Fear  Satisfaction  Defeat  Contentment