Announces Results of Epic Space-Time Experiment
NASA Announces Results of Epic Space-Time Experiment May 4, 2011: Einstein was right again. There is a space-time vortex around Earth, and its shape precisely matches the predictions of Einstein's theory of gravity. Researchers confirmed these points at a press conference today at NASA headquarters where they announced the long-awaited results of Gravity Probe B (GP-B). "The space-time around Earth appears to be distorted just as general relativity predicts," says Stanford University physicist Francis Everitt, principal investigator of the Gravity Probe B mission. "This is an epic result," adds Clifford Will of Washington University in St. Time and space, according to Einstein's theories of relativity, are woven together, forming a four-dimensional fabric called "space-time." If Earth were stationary, that would be the end of the story. The idea behind the experiment is simple: In practice, the experiment is tremendously difficult. Pulling off the experiment was an exceptional challenge.
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