The Sun - October 28, 2003

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Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC.

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The Sun - October 28, 2003

For 50 years, the Smithsonian monitored changes in the Sun’s power. Secretary Charles Greeley Abbott asserted that solar variations could influence weather patterns and crop yields.