• Corpus ID: 117998953

Lunar Laser Ranging Test of the Invariance of c

  title={Lunar Laser Ranging Test of the Invariance of c},
  author={Daniel Y. Gezari},
  journal={arXiv: General Physics},
  • D. Gezari
  • Published 1 December 2009
  • Physics
  • arXiv: General Physics
The speed of laser light pulses launched from Earth and returned by a retro-reflector on the Moon was calculated from precision round-trip time-of-flight measurements and modeled distances. The measured speed of light (c) in the moving observers rest frame was found to exceed the canonical value c = 299,792,458 m/s by 200+/-10 m/s, just the speed of the observatory along the line-of-sight due to the rotation of the Earth during the measurements. This is a first-order violation of local Lorentz… 
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