| Zhao Yali,Lou Pengbo,Lu Wei,et al.Space radiation safety issues and protective measures for astronauts[J].Chinese Journal of Radiological Medicine and Protection,2025,45(2):155-162 |
| Space radiation safety issues and protective measures for astronauts |
| Received:May 16, 2024 |
| DOI：10.3760/cma.j.cn112271-20240516-00182 |
| KeyWords:Space radiation Manned space flight Dose limits Risk evaluation Protective technology |
| FundProject: |
| Author Name | Affiliation | E-mail | | Zhao Yali | Astronaut Research and Training Center of China, Beijing 100094, China | | | Lou Pengbo | Astronaut Research and Training Center of China, Beijing 100094, China | | | Lu Wei | Astronaut Research and Training Center of China, Beijing 100094, China | | | Zhang Hua | Astronaut Research and Training Center of China, Beijing 100094, China | | | Zou Pengfei | Astronaut Research and Training Center of China, Beijing 100094, China | | | Wu Dawei | Astronaut Research and Training Center of China, Beijing 100094, China | md507@163.com |
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| Abstract:: |
| Space radiation is the most important environmental harmful factor in long-term manned spaceflight and deep space exploration, and it may produce deterministic and stochastic effects on tissues and organs. In-depth research into the biological effects, mechanisms, and protective measures of space radiation is essential and serves as an important foundation for exploring radiation biology and promoting major manned space projects. Firstly, this review introduces the spatiotemporal distribution characteristics of space radiation during low-earth orbit flights, manned lunar landings, and deep space exploration missions, as well as the health risks and challenges it posed to astronauts. Then, it discusses medical requirements and exposure limits, risk assessment, and protection technologies included in the space radiation protection system established internationally and over 30 years of Chinese manned spaceflight departments. Finally, it outlines the subsequent work and prospects for further research. |
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