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.

NASA Set to Test Einstein's Relativity Theory

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NASA Set to Test Einstein's Relativity Theory

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NASA Set to Test Einstein's Relativity Theory

April 18, 200412:00 AM ET

Heard on All Things Considered

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.