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Approach and issues relating to shield material design to protect astronauts from space radiation
J W Wilson1, F A Cucinotta, J Miller
1NASA Langley Research Center, Hampton, VA 23681, USA. john.w.wilson@larc.nasa.gov
Materials & Design
|August 27, 2002
Summary
Protecting astronauts from space radiation is crucial for long-duration missions. New materials are needed to shield against galactic cosmic rays (GCR) and solar energetic particles (SEP) due to the high cost of traditional aluminum shielding.
Area of Science:
- Space exploration
- Radiation shielding
- Materials science
Background:
- Long-term exposure to the space environment poses significant risks to human health during space exploration.
- Astronauts face risks from solar energetic particle (SEP) events and galactic cosmic rays (GCR).
Purpose of the Study:
- To address the challenges of protecting astronauts from space radiation.
- To explore alternative materials for spacecraft shielding due to the high cost of aluminum.
Main Methods:
- Review of materials-related issues impacting human space exploration.
- Analysis of radiation shielding properties of various materials.
Main Results:
- Galactic cosmic rays (GCR) present a significant challenge for long-duration deep space missions.
- Aluminum shielding is effective but prohibitively expensive for current and future missions.
Conclusions:
- Development of cost-effective alternative shielding materials is essential for the future of human space exploration.
- Further research into novel materials is required to mitigate radiation risks.