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Troubled probe upholds Einstein

Nature volume 473, pages 131–132 (2011)Cite this article

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General relativity vindicated, but was the mission worth it?

An epic victory over daunting challenges, or a costly project that should never have flown? After nearly half a century of work and US$750 million spent, Gravity Probe B, one of NASA's longest-running mission programmes, has finally achieved some scientific closure. But it has yet to quiet its critics.

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  1. Eugenie Samuel Reich
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UPDATE: The paper is now available on ArXiv.

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Gravity Probe B

1995 National Research Council Review of Gravity Probe B

2008 Senior Review

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Samuel Reich, E. Troubled probe upholds Einstein. Nature 473, 131–132 (2011). https://doi.org/10.1038/473131a

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