A precise extragalactic test of General Relativity

@article{Collett2018APE,
  title={A precise extragalactic test of General Relativity},
  author={T. Collett and L. Oldham and Russell J. Smith and M. Auger and K. Westfall and D. Bacon and R. Nichol and K. Masters and K. Koyama and R. van den Bosch},
  journal={Science},
  year={2018},
  volume={360},
  pages={1342 - 1346}
}
Testing General Relativity on galaxy scales Einstein's theory of gravity, General Relativity (GR), has been tested precisely within the Solar System. However, it has been difficult to test GR on the scale of an individual galaxy. Collett et al. exploited a nearby gravitational lens system, in which light from a distant galaxy (the source) is bent by a foreground galaxy (the lens). Mass distribution in the lens was compared with the curvature of space-time around the lens, independently… Expand
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