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Nature 452, 158-161 (13 March 2008) | doi:10.1038/452158a; Published online 12 March 2008
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Deputy Chief Scientific Advisor and Deputy Director of Research
- UK Department for International Development
- London, United Kingdom
Assistant or Associate Professor - Cell & Systems Biology
- University of Toronto
- Toronto, ON Canada
Cosmology: Patchy solutions
George Ellis1
Abstract
The Universe seems to be expanding ever faster — a phenomenon generally ascribed to the influence of 'dark energy'. But might the observed acceleration be a trick of the light in an inhomogeneous Universe?
Ten years ago, observations of distant supernovae brought a startling realization: the Universe's expansion is apparently accelerating. This observation required a quick patch-up of the dynamics of cosmologists' standard 'concordance' model of the Universe.
- George Ellis is in the Department of Mathematics and Applied Mathematics, University of Cape Town, Rondebosch 7701, South Africa.
Email: george.ellis@uct.ac.za
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