Interplanetary radar time delays in different theories of gravitation |
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| Authors: | Paul E Kustaanheimo Heikki Oja |
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| Institution: | (1) Finlands Akademi, Helsinki;(2) Astronomical Observatory, Helsinki |
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| Abstract: | The first order (in the massm of the central body) time delay is deduced for all theories of gravitation that satisfy the 3-dimensional principle of equivalence in the one-body problem. It is shown that the curvature of the light ray causes no first order time delay but that the first order time delay is sensitive to the non-linear term  of a general metric when distancesr are measured by the periods of circular planetary orbits. |
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