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