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Space colonization--some physiological perspectives.

L H Winkler

    Aviation, Space, and Environmental Medicine
    |July 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Establishing a 10,000-person space community is feasible with current technology. Key requirements include Earth-normal gravity, radiation limits (0.5 rem/year), and a specific atmosphere, though further research is needed for potential constraint relaxation.

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    Area of Science:

    • Space Exploration
    • Biomedical Engineering
    • Habitat Design

    Background:

    • Current technology allows for self-sustaining space communities.
    • Understanding of physiological design criteria for space habitats is insufficient.
    • An engineering workshop in 1975 addressed these critical knowledge gaps.

    Purpose of the Study:

    • To summarize biomedical findings from a 1975 engineering workshop.
    • To assess the feasibility of establishing a large, economically productive space community.
    • To identify essential physiological design criteria for space habitats.

    Main Methods:

    • Review of biomedical findings from a cosponsored engineering workshop.
    • Analysis of physiological constraints including gravity, radiation, and atmosphere.

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  • Conservative estimation of habitat requirements for a 10,000-person community.

    • Main Results:

    • A viable, economically productive space community of 10,000 people is theoretically possible.
    • Key requirements include: centrifugally generated Earth-normal gravity, maximum ionizing radiation dose of 0.5 rem/year (passive shielding), and a normoxic, reduced nitrogen partial pressure atmosphere.
    • These criteria are based on conservative physiological standards.

    Conclusions:

    • The establishment of a large space community is feasible with present technology and conservative physiological standards.
    • Extensive research is necessary to determine the extent to which physiological constraints can be relaxed.
    • Further investigation is crucial for optimizing space habitat design and ensuring long-term human health in space.