Nasa Set to Test Theory of Relativity; Satellite Is 'Most Sophisticated Thing Ever Put Into Space'

Summary

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Almost 90 years after Albert Einstein published his theory of relatively, Nasa scientists are ready to launch a satellite that will put it to the test.

If all goes to plan tomorrow, the state-of-the-art satellite, Gravity Probe-B - which has taken more than 40 years to develop - will lift off from California's Vandenberg Air Force Base on a 16- month mission.

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Nasa Set to Test Theory of Relativity; Satellite Is 'Most Sophisticated Thing Ever Put Into Space'

Described by the programme manager, Gaylord Green, as "the most sophisticated thing the human race has ever tried to put into space", the test is as much one of accuracy as it is of relativity.

The satellite is equipped ...

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