Cosmology at a Crossroads

Jun 8, 2017
4 pages
Published in:
  • Nature Astron. 1 (2017) 0121
e-Print:

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Abstract: (arXiv)
We are at an interesting juncture in cosmology. With new methods and technology, the accuracy in measurement of the Hubble constant has vastly improved, but a recent tension has arisen that is either signaling new physics or as-yet unrecognized uncertainties.
Note:
  • Invited commentary for Nature Astronomy; 10 pages, 2 figures