Hello, my limited company has been operational for approximately eight months, and the progress has been satisfactory so far.
俄罗斯国家航天集团公司总经理德米特里·巴卡诺夫表示,以目前技术水平,往返火星的飞行将必然导致宇航员患上辐射病。俄新社援引了他的声明。
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Иллюстрация: Евгений Биятов / РИА Новости