Precise measurement of gravity variations during a total solar eclipse

@article{Wang2000PreciseMO,
  title={Precise measurement of gravity variations during a total solar eclipse},
  author={Qian-shen Wang and Xin-She Yang and Chuanjia Wu and Hongxi Guo and Hong-chen Liu and Chang-chai Hua},
  journal={Physical Review D},
  year={2000},
  volume={62},
  pages={041101}
}
The variations of gravity were measured with a high precision LaCoste-Romberg D gravimeter during a total solar eclipse to investigate the effect of a solar eclipse on the gravitational field. The observed anomaly $(7.0\ifmmode\pm\else\textpm\fi{}2.7)$$\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}8}$ ${\mathrm{m}/\mathrm{s}}^{2}$during the eclipse implies that there may be a shielding property of gravitation. 

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