Astronauts on the ISS are shielded from solar flares by specialized materials and orbital positioning
Astronauts aboard the International Space Station rely on specialized shielding materials (such as polymers, advanced composites, and aluminum) and Low Earth Orbit positioning to manage and mitigate space radiation exposure from solar particle events and cosmic rays.
The retrieved literature consistently confirms that spacecraft on the ISS utilize both material-based passive shielding (such as polyethylene, specialized nanocomposites, and aluminum) and orbital positioning considerations in Low Earth Orbit (LEO) to protect crew members from space radiation, including solar particle events. No papers contradict this widely accepted aspect of human spaceflight engineering, resulting in a supported balance verdict.
Shavers M, Semones E, Tomi L, Chen J, Straube U, Komiyama T, Shurshakov V, Li C, Rühm W. Space agency-specific standards for crew dose and risk assessment of ionising radiation exposures for the International Space Station.. 2024. https://doi.org/10.1016/j.zemedi.2023.06.005
Paper 1 discusses how the International Space Station operates within Low Earth Orbit where its positioning and structure provide specific radiation shielding and exposure management.
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Dobney W, Mols L, Mistry D, Tabury K, Baselet B, Baatout S. Evaluation of deep space exploration risks and mitigations against radiation and microgravity.. 2023. https://doi.org/10.3389/fnume.2023.1225034
Paper 2 details how radiation shielding materials such as aluminum, water, polyethylene, and alternative composites are used for space exploration mitigation against ionizing radiation.
Lionel Fabian Fourie, Lynndle Square, Christopher Arendse, Mandla Msimanga. ABPBI/MWCNT for proton radiation shielding in low earth orbit. 2023. https://doi.org/10.1063/5.0156686
Paper 3 evaluates specialized nanocomposite materials developed for proton radiation shielding in Low Earth Orbit missions.
V. Guarnieri, C. Lobascio, M. Briccarello, M. Casolino, P. Picozza, M. Durante, V. Roca, M. Pugliese. Passive Radiation Shielding Investigations in Low Earth Orbit and in an Accelerator. 2006. https://doi.org/10.4271/2006-01-2105
Paper 5 reports on passive radiation shielding investigations and experiments conducted aboard the ISS to optimize material protection.
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