求翻译：太空移民，放弃城市回归原始，是改造新原生态星球的需要，或者长途旅行非常艰苦；距离的遥远则要求人员数目和素质也有要求，留下的人混乱导致了灾难，工具是利用哈雷彗星的引力是什么意思？

Space immigrants, to give up the city to return to the original, the need for transformation of the original ecological planet, or long-distance travel is very hard; great distances requires the number and quality of personnel required, who left confusion led to the disaster, the tool is the use of

Space settlers abandoned cities, and return it is original, and adaptation of new original ecology of the planet, or a long-distance travel is difficult; distance requires that the person is also a number and quality of the people who left, confusion has resulted in disaster, the tool is the use of

The outer space immigrant, gives up the city return be primitive, is transforms the new original ecology star the need, or makes a long journey extremely difficultly; From remote requests the personnel number and the quality also has the request, stays behind the human has caused the disaster, the t

Space colonization, abandoned city return to the original, is the transformation of new original ecological needs of the planet, or long-haul travel very difficult; distance distant requiring number of personnel and quality requirements, leaving people confusion caused the disaster, the tool is the

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