Devil's Asteroid

It was not very large, as asteroids go, but about it clung a silvery mist of atmosphere. Deeper flashes through the mist betokened water, and green patches hinted of rich vegetation. The space-patroller circled the little world knowledgeably, like a wasp buzzing around an apple. In the control room, by the forward ports, the Martian skipper addressed his Terrestrial companion.
"I wissh you joy of yourr new home," he purred. Like many Martians, he was braced upright on his lower tentacles by hoops and buckles around his bladdery body, so that he had roughly a human form, over which lay a strange loose armor of light plates. In the breathing hole of his petal-tufted skull was lodged an artificial voice-box that achieved words. "I rregrret—"
Fitzhugh Parr glowered back. He was tall, even for a man of Earth, and his long-jawed young face darkened with wrath. "Regret nothing," he snapped. "You're jolly glad to drop me on this little hell."
"Hell?" repeated the Martian reproachfully. "But it iss a ssplendid miniaturre worrld—nineteen of yourr miless in diameterr, with arrtificial grravity centerr to hold airr and waterr; ssown, too, with Terresstrrial plantss. And companionss of yourr own rrace."