 What is the reasoning behind Gwayne’s decision?
Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] Captain Gwayne cursed and rolled over, reaching for his boots. Gwayne swore softly to himself. The two he'd drawn, Kaufman and Pinelli, seemed to be totally devoid of any sense of caution. But something had happened to the exploration party fifteen years back, and to the more recent ship under Hennessy that was sent to check up. Earth had ordered him to detour here, after leaving his load of deep-sleep stored colonists on Official World 71, to check on any sign of Hennessy. One, at the front, was stuttering into life, and Gwayne dashed for it as the exit port slid back.
 Earth is struggling to find suitable colonies, and this planet has proven to be livable despite the drawbacks.
 They can take the information they learned to improve conditions on Earth.  Earth is struggling to find suitable colonies, so they need to rescue the people here and keep looking.  They can bring more people to this planet to live.  Earth is struggling to find suitable colonies, and this planet has proven to be livable despite the drawbacks.