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  1. SI History Bibliography

    The View From the Castle: Smithsonian solar research promises new insights into how the sun affects both our health and the weather here on Earth

    • Date: August 1974
    • Creator: Ripley, Sidney Dillon 1913-2001
    • Creator: Ripley, Sidney Dillon 1913-2001

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Showing results 1 - 1 of 1 for Earth Day