✦ LIBER ✦

Approach and issues relating to shield material design to protect astronauts from space radiation

✍ Scribed by J.W. Wilson; F.A. Cucinotta; J. Miller; J.L. Shinn; S.A. Thibeault; R.C. Singleterry; L.C. Simonsen; M.H. Kim

Book ID: 104313640
Publisher: Elsevier Science
Year: 2001
Weight: 752 KB
Volume: 22
Category: Article
ISSN: 0261-3069
DOI: 10.1016/s0261-3069(01)00014-0

No coin nor oath required. For personal study only.

✦ Synopsis

One major obstacle to human space exploration is the possible limitations imposed by the adverse effects of long-term exposure to the space environment. Even before human spaceflight began, the potentially brief exposure of astronauts to the very intense random solar energetic particle (SEP) events was of great concern. A new challenge appears in deep space exploration from exposure to the low-intensity heavy-ion flux of the galactic cosmic rays (GCR) since the missions are of long duration and the accumulated exposures can be high. Since aluminum (traditionally used in spacecraft to avoid potential radiation risks) leads to prohibitively expensive mission launch costs, alternative materials need to be explored. An overview of the materials related issues and their impact on human space exploration will be given.

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