Study of the anomalous acceleration of Pioneer 10 and 11
Our previous analyses of radio Doppler and ranging data from distant spacecraft in the solar system indicated that an apparent anomalous acceleration is acting on Pioneer 10 and 11, with a magnitude…
Progress in lunar laser ranging tests of relativistic gravity.
Analyses of laser ranges to the Moon provide increasingly stringent limits on any violation of the equivalence principle (EP); they also enable several very accurate tests of relativistic gravity, including the search for a time variation in the gravitational constant.
Lunar laser ranging tests of the equivalence principle
The lunar laser ranging (LLR) experiment provides precise observations of the lunar orbit that contribute to a wide range of science investigations. In particular, time series of highly accurate…
Anderson et al. reply (to the comment by Murphy on `Indication, from pioneer 10/11, Galileo, and Ulysses data, of an apparent anomalous, weak, long range acceleration')
Radio metric data from the Pioneer 10/11, Galileo, and Ulysses spacecraft indicate an apparent anomalous, constant, acceleration acting on the spacecraft with a magnitude…
The Pioneer Anomaly
A significant amount of information is provided on the design, operations and behavior of the two Pioneers during their entire missions, including descriptions of various data formats and techniques used for their navigation and radio-science data analysis.
The past and present Earth-Moon system: the speed of light stays steady as tides evolve
The LLR result is consistent with analyses made with different data spans, different analysis techniques, analysis of optical observations, and independent knowledge of tides, and indicates lower rates of tidal evolution for extended past intervals.
Support for the thermal origin of the pioneer anomaly.
- S. Turyshev, V. Toth, G. Kinsella, Siu-Chun Lee, Shing M Lok, J. Ellis
- PhysicsPhysical Review Letters
- 11 April 2012
A comprehensive finite-element thermal model of the Pioneer 10 and 11 spacecraft is constructed and it is found that the magnitude, temporal behavior, and direction of the resulting thermal acceleration are all similar to the properties of the observed anomaly.
Lunar Laser Ranging Contributions to Relativity and Geodesy
AbstractLunar laser ranging (LLR) is used to conduct high-precision measurements of ranges betweenan observatory on Earth and a laser retro-reﬂector on the lunar surface. Over the years, LLR…
Advancing tests of relativistic gravity via laser ranging to Phobos
Phobos Laser Ranging (PLR) is a concept for a space mission designed to advance tests of relativistic gravity in the solar system. PLR’s primary objective is to measure the curvature of space around…
Experimental Tests of General Relativity
- S. Turyshev
- 11 January 2008
Einstein's general theory of relativity is the standard theory of gravity, especially where the needs of astronomy, astrophysics, cosmology and fundamental physics are concerned. As such, this theory…