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"I would certainly much rather have the astronauts testing out the integrated systems of the lander and Orion in low-Earth orbit than on the Moon," he said.
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Виктория Кондратьева (Редактор отдела «Мир»)，详情可参考新收录的资料
20+ curated newsletters，详情可参考PDF资料
Esme StallardClimate and science reporter