Flying people to deep space -- like Mars or an asteroid -- is high on NASA’s wish list, but research on mice suggested that extended radiation exposure permanently harms the brain.
讓人類航行到太空深處——像是火星或是小行星——是美國航太總署渴求的願望,但在老鼠身上的研究顯示,長時間暴露於輻射線會對大腦造成永久傷害。
Central nervous system damage and cognitive impairments were observed in lab animals that were exposed to highly energetic charged particles -- similar to the galactic cosmic rays that astronauts would encounter during long space flights -- said researchers at the University of California, Irvine.