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Benchmarks: May 29, 1919: Solar eclipse "proves" relativity

By Nate Burgess

On May 29, 1919, the moon’s silhouette crept slowly over the sun, bringing premature night to observers in a broad swath of the Southern Hemisphere between South America and Africa. Few onlookers realized that this event would provide the first successful test of Albert Einstein’s theory of relativity.

01 Jun 2009