Dark Energy and the Accelerating Universe

@article{Frieman2008DarkEA,
  title={Dark Energy and the Accelerating Universe},
  author={Joshua A. Frieman and Michael S. Turner and Dragan Huterer},
  journal={Annual Review of Astronomy and Astrophysics},
  year={2008},
  volume={46},
  pages={385-432}
}
Ten years ago, the discovery that the expansion of the universe is accelerating put in place the last major building block of the present cosmological model, in which the universe is composed of 4% baryons, 20% dark matter, and 76% dark energy. At the same time, it posed one of the most profound mysteries in all of science, with deep connections to both astrophysics and particle physics. Cosmic acceleration could arise from the repulsive gravity of dark energy—for example, the quantum energy of… 
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