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General relativity

Frame-dragging confirmed

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According to a prediction of general relativity, the spinning mass of the Earth affects the motion of satellites. A measurement of this ‘frame-dragging’ effect confirms Einstein's theory.

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Figure 1: General relativity and Earth's gravity field.

GEOFORSCHUNGSZENTRUM-POTSDAM NASA

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Ashby, N. Frame-dragging confirmed. Nature 431, 918–919 (2004). https://doi.org/10.1038/431918a

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