[Transcriber's Note: This etext was produced from Astounding Science-Fiction, March 1944. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] Pluto is a strange planet in many ways. Perhaps it may even be classed as a "man-made" planet, since if it were not for man and his works, Pluto might as well have never been. But Pluto was found abundant in uranium, and then came man to change the ultra-frigidity of Pluto's surface, and to endow Pluto with a breathable atmosphere by transporting great shiploads of the frozen gases found on Umbriel. Then man set up cities, and since the face of Pluto had never been…
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