Estimate of the weight of empty space based on astronomical observations [PDF]
Thomas DurtAs a consequence of the equivalence principle and of the existence of a negative vacuum energy, we show how a weak but universal linear response of the vacuum to a local gravitational potential suffices to explain the main features of so-called Pioneer anomalies as well as the apparent departure from the third Kepler law which has been observed at the level of numerous galaxies.View original: http://arxiv.org/abs/1302.0835
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