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NASA Set to Test Einstein's Relativity Theory NASA is preparing to launch a science experiment aimed at testing some aspects of Einstein's theory of relativity. The experiment, known as "Gravity Probe B," has been in the works since 1963. NPR's David Kestenbaum reports.

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NASA Set to Test Einstein's Relativity Theory

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David Kestenbaum

NASA Set to Test Einstein's Relativity Theory

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NASA is preparing to launch a science experiment aimed at testing some aspects of Einstein's theory of relativity. The experiment, known as "Gravity Probe B," has been in the works since 1963. NPR's David Kestenbaum reports.