搜索结果: 1-1 共查到“天文学 UNH”相关记录1条 . 查询时间(0.046 秒)
![](http://www.firstlight.cn/upload/imgfile/201412/1/2014121163325544.jpg)
UNH scientist: Cosmic rays threaten future deep-space astronaut missions(图)
Cosmic rays astronauts
2014/12/1
DURHAM, N.H. –- Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risk...