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On July 22, 2009, millions of people across Asia sought vantage points to view a rare 6 1/2-minute total solar eclipse, longest of the 21st century. On This Day, July 22: Longest total solar eclipse of 21st century
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On July 22, 2009, millions of people across Asia sought vantage points to view a rare 6 1/2-minute total solar eclipse, longest of the 21st century. 
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