The space particle environment is composed of galacticcosmicrays, solar flares and geomagnetically-trapped particles.
空间高能粒子环境由银河宇宙射线、太阳宇宙射线及地磁捕获粒子组成。
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Understanding more about the heliosphere and its ability to filter out galacticcosmicrays could be critical for assessing the safety of human space travel, Schwadron notes.