"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.
Ema Sabljak,England Data Unitand，更多细节参见51吃瓜
Article InformationAuthor, 克露帕·帕德希（Krupa Padhy）。关于这个话题，搜狗输入法下载提供了深入分析
Москвичей предупредили о резком похолодании09:45