Probing the accelerating universe

Apr, 2014
6 pages
Published in:
  • Phys.Today 67 (2014) 4, 28-33
  • Published: Apr, 2014

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Abstract:
The Dark Energy Survey’s map of 200 million galaxies will help determine if cosmic acceleration is driven by a cosmological constant, by a new and dynamic form of energy, or by physics beyond the scope of general relativity.