"Launching radioactive material through the Earth's atmosphere brings safety concerns. You have to have a special license to do that, but it is not insurmountable," says Dr Simeon Barber, planetary science specialist at the Open University.
Many scientists agree that it would be the best or perhaps only way to provide continuous power on the lunar surface.
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carnegieendowment，这一点在同城约会中也有详细论述
Что думаешь? Оцени!
Что думаешь? Оцени!