太空辐射防护三大难点

深空任务中，宇航员面临太阳高能粒子、银河宇宙射线和地球磁场外辐射的威胁，传统被动屏蔽笨重且可能产生次级辐射，主动屏蔽和生物防护是未来主要方向。

来源

• Meeting the Grand Challenge of Protecting Astronaut's Health: Electrostatic Active Space Radiation Shielding for Deep Space Missions - NASA
• Shields Up! Cosmic Rays a Challenge for Deep Space Travel | UC Davis
• Space Radiation Shielding for Getting to Mars - StemRad

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