Void or Dark Energy?

Details Void or Dark Energy? Void or Dark Energy?

2009-10-14

arxiv.org/abs/0910.2723v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

22 pages, 3 figures, LaTex file. Minor corrections

Scientific paper

Two possible explanations for the type SNe Ia supernovae observations are a
nonlinear, underdense void embedded in a matter-dominated Einstein-de Sitter
spacetime or dark energy in the $\Lambda$CDM model. Both of these alternatives
are faced with Copernican fine-tuning problems. A case is made for the void
scenario that avoids introducing undetected dark energy.

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