EAS Publications Series

Issue		EAS Publications Series Volume 36, 2009 Dark Energy and Dark Matter: Observations, Experiments and Theories
Page(s)		325 - 336
DOI		10.1051/eas/0936048
Published online		30 May 2009

Dark Energy and Dark Matter: Observations, Experiments and Theories
E. Pécontal, T. Buchert, Ph. Di Stefano and Y. Copin (eds)
EAS Publications Series, 36 (2009) 325-336
DOI: 10.1051/eas/0936048

Dark matter and dark energy proposals: maintaining cosmology as a true science?

G.F.R. Ellis

Mathematics Department, University of Cape Town, South Africa

Published online: 30 May 2009

Abstract
I consider the relation of explanations for the observed data to testability in the following contexts: observational and experimental detection of dark matter; observational and experimental detection of dark energy or a cosmological constant $\Lambda$ ; observational or experimental testing of the multiverse proposal to explain a small non-zero value of $\Lambda$ ; and observational testing of the possibility of large scale spatial inhomogeneity with zero $\Lambda$ .

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