Dark energy: Staring into darkness

@article{Battersby2016DarkES,
  title={Dark energy: Staring into darkness},
  author={S. Battersby},
  journal={Nature},
  year={2016},
  volume={537},
  pages={S201-S204}
}
The path to understanding dark energy begins with a single question: has it always been the same throughout the history of the Universe? 
2 Citations
The Hyperbolic Universe Does Not Need Dark Energy
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