Spacecraft passing close to the Sun experience measurable general relativistic effects
Multiple solar system and spacecraft experiments confirm that objects passing close to the Sun experience measurable general relativistic effects, such as time delay and light deflection, which match theoretical predictions.
The claim is specific, empirical, and well-supported by fundamental physics reviews and dedicated spacecraft radio-science studies (such as tests involving the BepiColombo and Cassini missions or planetary flybys) that measure post-Newtonian gravitational effects near the Sun.
Will CM. The Confrontation between General Relativity and Experiment.. 2014. https://doi.org/10.12942/lrr-2014-4
Reviews high-precision post-Newtonian tests of general relativity in the solar system, including light deflection, time delay, and perihelion advance.
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Hongya Liu, J. D. O. Physics, D. University, P. R. China, D. Physics, U. Waterloo, Canada, B. GravityProbe, H. Labs, Stanford University, USA.. Solar System Tests of Higher Dimensional Gravity. 2000. https://doi.org/10.1086/309115
Applies classical tests of general relativity (such as light deflection and perihelion shift) using solar system spacecraft and planetary ranging data.
I. di Stefano, P. Cappuccio, L. Iess. Precise Modeling of Non-Gravitational Accelerations of the Spacecraft BepiColombo During Cruise Phase. 2023. https://doi.org/10.2514/1.a35704
Discusses radio-science campaigns during spacecraft cruise phases specifically designed to test general relativity in the strong gravitational environment near the Sun.
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